Fix bustage due to bug 105865: Perl 5.8.x doesn't understand \h. We have to use…

Bugzilla/Template.pm

@@ -175,7 +175,7 @@ sub quoteUrls {
 
     # If the comment is already wrapped, we should ignore newlines when
     # looking for matching regexps. Else we should take them into account.
-    my $s = $already_wrapped ? qr/\s/ : qr/\h/;
+    my $s = $already_wrapped ? qr/\s/ : qr/[[:blank:]]/;
 
     # However, note that adding the title (for buglinks) can affect things
     # In particular, attachment matches go before bug titles, so that titles