File postgresql-plperl.patch of Package postgresql

--- src/pl/plperl/plperl.c
+++ src/pl/plperl/plperl.c
@@ -652,6 +652,7 @@
 		RETPUSHYES;
 
 	DIE(aTHX_ "Unable to load %s into plperl", name);
+	return NULL; /* make rpmlint happy */
 }