Update admin.lib.php with new gids

lib/blog/admin.lib.php

@@ -932,7 +932,7 @@ echo "<p><strong>Because of the large amount of spam and limited use the Blog sy
 		} else {
 			//check the user is a member of the users, staff or societies groups
 			$posixInfo = posix_getpwnam($username);
-			if ($posixInfo[gid] != 100 && $posixInfo[gid] != 106 && $posixInfo[gid] != 113) {
+			if ($posixInfo[gid] != 100 && $posixInfo[gid] != 1060 && $posixInfo[gid] != 1130) {
 				$this->error = _("Err, no, you're not really a system user now are you?");
 			}
 		}