Fix for bug 148767: Eliminates warning in rare situations.

Patch by Jouni Heikniemi <jouni@heikniemi.net>.
2rx=myk

webtools/bugzilla/buglist.cgi

@@ -1290,7 +1290,7 @@ my $query = GenerateSQL(\@selectnames, $::buffer);
 ################################################################################
 
 # Add to the query some instructions for sorting the bug list.
-if ($::COOKIE{'LASTORDER'} && !$order || $order =~ /^reuse/i) {
+if ($::COOKIE{'LASTORDER'} && (!$order || $order =~ /^reuse/i)) {
     $order = url_decode($::COOKIE{'LASTORDER'});
     $order_from_cookie = 1;
 }