* fix use of undef value

templates/layouts/default.html.ep

@@ -6,10 +6,10 @@
   <meta name="robots" content="noindex,nofollow"/>
   <title><%= title %> - Linux во Владивостоке</title>
 % my @styles = qw(default);
-% push @styles, split(/\s+/, stash('styles'));
+% push @styles, split(/\s+/, stash('styles') || '');
 %
 % my @scripts = ();
-% push @scripts, split(/\s+/, stash('scripts'));
+% push @scripts, split(/\s+/, stash('scripts') || '');
 %
 % foreach my $style (@styles) {
   <%= stylesheet "/css/$style.css" %>