C comments: remove odd blank lines after #ifdef WIN32 lines

A few more

src/backend/utils/mb/mbutils.c

@@ -1048,7 +1048,6 @@ GetMessageEncoding(void)
 }
 
 #ifdef WIN32
-
 /*
  * Result is palloc'ed null-terminated utf16 string. The character length
  * is also passed to utf16len if not null. Returns NULL iff failed.

src/bin/initdb/initdb.c

@@ -565,7 +565,6 @@ walkdir(char *path, void (*action) (char *fname, bool isdir))
 	}
 
 #ifdef WIN32
-
 	/*
 	 * This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but not in
 	 * released version

src/bin/pg_resetxlog/pg_resetxlog.c

@@ -846,8 +846,8 @@ FindEndOfXLOG(void)
 		}
 		errno = 0;
 	}
-#ifdef WIN32
 
+#ifdef WIN32
 	/*
 	 * This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but not in
 	 * released version
@@ -908,8 +908,8 @@ KillExistingXLOG(void)
 		}
 		errno = 0;
 	}
-#ifdef WIN32
 
+#ifdef WIN32
 	/*
 	 * This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but not in
 	 * released version
@@ -965,8 +965,8 @@ KillExistingArchiveStatus(void)
 		}
 		errno = 0;
 	}
-#ifdef WIN32
 
+#ifdef WIN32
 	/*
 	 * This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but not in
 	 * released version

src/common/pgfnames.c

@@ -65,8 +65,8 @@ pgfnames(const char *path)
 		}
 		errno = 0;
 	}
-#ifdef WIN32
 
+#ifdef WIN32
 	/*
 	 * This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but not in
 	 * released version
@@ -74,6 +74,7 @@ pgfnames(const char *path)
 	if (GetLastError() == ERROR_NO_MORE_FILES)
 		errno = 0;
 #endif
+
 	if (errno)
 	{
 #ifndef FRONTEND

src/port/pgcheckdir.c

@@ -68,7 +68,6 @@ pg_check_dir(const char *dir)
 	}
 
 #ifdef WIN32
-
 	/*
 	 * This fix is in mingw cvs (runtime/mingwex/dirent.c rev 1.4), but not in
 	 * released version