Unify find_other_exec() error messages

There were a few different ways to line-wrap the error messages.  Make
them all the same, and use placeholders for the actual program names,
to save translation work.

src/bin/initdb/initdb.c

@@ -2431,15 +2431,15 @@ setup_bin_paths(const char *argv0)
 			strlcpy(full_path, progname, sizeof(full_path));
 
 		if (ret == -1)
-			pg_log_error("The program \"postgres\" is needed by %s but was not found in the\n"
+			pg_log_error("The program \"%s\" is needed by %s but was not found in the\n"
 						 "same directory as \"%s\".\n"
 						 "Check your installation.",
-						 progname, full_path);
+						 "postgres", progname, full_path);
 		else
-			pg_log_error("The program \"postgres\" was found by \"%s\"\n"
+			pg_log_error("The program \"%s\" was found by \"%s\"\n"
 						 "but was not the same version as %s.\n"
 						 "Check your installation.",
-						 full_path, progname);
+						 "postgres", full_path, progname);
 		exit(1);
 	}
 

src/bin/pg_ctl/pg_ctl.c

@@ -810,8 +810,7 @@ find_other_exec_or_die(const char *argv0, const char *target, const char *versio
 			strlcpy(full_path, progname, sizeof(full_path));
 
 		if (ret == -1)
-			write_stderr(_("The program \"%s\" is needed by %s "
-						   "but was not found in the\n"
+			write_stderr(_("The program \"%s\" is needed by %s but was not found in the\n"
 						   "same directory as \"%s\".\n"
 						   "Check your installation.\n"),
 						 target, progname, full_path);

src/bin/pg_dump/pg_dumpall.c

@@ -196,15 +196,15 @@ main(int argc, char *argv[])
 			strlcpy(full_path, progname, sizeof(full_path));
 
 		if (ret == -1)
-			pg_log_error("The program \"pg_dump\" is needed by %s but was not found in the\n"
+			pg_log_error("The program \"%s\" is needed by %s but was not found in the\n"
 						 "same directory as \"%s\".\n"
 						 "Check your installation.",
-						 progname, full_path);
+						 "pg_dump", progname, full_path);
 		else
-			pg_log_error("The program \"pg_dump\" was found by \"%s\"\n"
+			pg_log_error("The program \"%s\" was found by \"%s\"\n"
 						 "but was not the same version as %s.\n"
 						 "Check your installation.",
-						 full_path, progname);
+						 "pg_dump", full_path, progname);
 		exit_nicely(1);
 	}
 

src/bin/pg_rewind/pg_rewind.c

@@ -847,15 +847,15 @@ getRestoreCommand(const char *argv0)
 			strlcpy(full_path, progname, sizeof(full_path));
 
 		if (rc == -1)
-			pg_log_error("The program \"postgres\" is needed by %s but was not found in the\n"
+			pg_log_error("The program \"%s\" is needed by %s but was not found in the\n"
 						 "same directory as \"%s\".\n"
 						 "Check your installation.",
-						 progname, full_path);
+						 "postgres", progname, full_path);
 		else
-			pg_log_error("The program \"postgres\" was found by \"%s\"\n"
+			pg_log_error("The program \"%s\" was found by \"%s\"\n"
 						 "but was not the same version as %s.\n"
 						 "Check your installation.",
-						 full_path, progname);
+						 "postgres", full_path, progname);
 		exit(1);
 	}
 
@@ -905,13 +905,13 @@ ensureCleanShutdown(const char *argv0)
 			strlcpy(full_path, progname, sizeof(full_path));
 
 		if (ret == -1)
-			pg_fatal("The program \"%s\" is needed by %s but was\n"
-					 "not found in the same directory as \"%s\".\n"
+			pg_fatal("The program \"%s\" is needed by %s but was not found in the\n"
+					 "same directory as \"%s\".\n"
 					 "Check your installation.",
 					 "postgres", progname, full_path);
 		else
-			pg_fatal("The program \"%s\" was found by \"%s\" but was\n"
-					 "not the same version as %s.\n"
+			pg_fatal("The program \"%s\" was found by \"%s\"\n"
+					 "but was not the same version as %s.\n"
 					 "Check your installation.",
 					 "postgres", full_path, progname);
 	}

src/bin/pg_verifybackup/pg_verifybackup.c

@@ -295,13 +295,13 @@ main(int argc, char **argv)
 			if (find_my_exec(argv[0], full_path) < 0)
 				strlcpy(full_path, progname, sizeof(full_path));
 			if (ret == -1)
-				pg_log_fatal("The program \"%s\" is needed by %s but was\n"
-							 "not found in the same directory as \"%s\".\n"
+				pg_log_fatal("The program \"%s\" is needed by %s but was not found in the\n"
+							 "same directory as \"%s\".\n"
 							 "Check your installation.",
 							 "pg_waldump", "pg_verifybackup", full_path);
 			else
-				pg_log_fatal("The program \"%s\" was found by \"%s\" but was\n"
-							 "not the same version as %s.\n"
+				pg_log_fatal("The program \"%s\" was found by \"%s\"\n"
+							 "but was not the same version as %s.\n"
 							 "Check your installation.",
 							 "pg_waldump", full_path, "pg_verifybackup");
 		}