Fix possible null pointer reference

Per Coverity.  Introduced in 37851a8b83d3d57ca48736093b10aa5f3bc0c177.

diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c
index 8a332a72b12091ffdcd702ba5d1f5c4d55ed2510..a29fa0b3e6a2efc9d3178755c923127c895014ea 100644 (file)
--- a/src/backend/utils/init/postinit.c
+++ b/src/backend/utils/init/postinit.c
@@ -439,8 +439,7 @@ CheckMyDatabase(const char *name, bool am_superuser, bool override_allow_connect
                        ereport(WARNING,
                                        (errmsg("database \"%s\" has no actual collation version, but a version was recorded",
                                                        name)));
-
-               if (strcmp(actual_versionstr, collversionstr) != 0)
+               else if (strcmp(actual_versionstr, collversionstr) != 0)
                        ereport(WARNING,
                                        (errmsg("database \"%s\" has a collation version mismatch",
                                                        name),