Add libpq error message text on how to handle missing root.crt file.

src/interfaces/libpq/fe-secure.c

@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-secure.c,v 1.122 2009/03/31 01:41:27 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-secure.c,v 1.123 2009/04/14 17:30:16 momjian Exp $
  *
  * NOTES
  *
@@ -1067,7 +1067,8 @@ initialize_SSL(PGconn *conn)
 		if (strcmp(conn->sslverify, "none") != 0)
 		{
 			printfPQExpBuffer(&conn->errorMessage,
-							  libpq_gettext("root certificate file \"%s\" does not exist"), fnbuf);
+							  libpq_gettext("root certificate file \"%s\" does not exist\n"
+							  "Either supply the file or set sslverify to \"none\" to disable server certificate verification.\n"), fnbuf);
 			return -1;
 		}
 	}