case on key to ERRORS hash

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@92 f882894a-f735-0410-b71e-b25c423dba1c

plugins-scripts/check_rpc.pl

@@ -68,7 +68,7 @@ if ($opt_h) { print_help(); exit $ERRORS{'OK'}; }
 # -V means display version number
 if ($opt_V) { 
 	print_revision($PROGNAME,'$Revision$ '); 
-	exit $ERRORS{'Ok'}; 
+	exit $ERRORS{'OK'}; 
 }
 
 # Hash containing all RPC program names and numbers