Minor bug fix for when USEMAILMAN is turned off.

db/genelists.in

@@ -509,9 +509,10 @@ sub genelist($$$$)
 	}
 	# HACK! These special accounts should be flagged in the DB
 	next 
-	    if ($usemailman && ($uid eq "elabman" || $uid eq "elabckup" ||
-				$uid eq "operator"));
-	    
+	    if (!defined($uid) ||
+		($usemailman && ($uid eq "elabman" || $uid eq "elabckup" ||
+				 $uid eq "operator")));
+	
 	if ($usemailman && $MAILMANSUPPORT) {
 	    print LIST "$uid $user_email $mailman_password '$user_name'\n";
 	}