[dw-free] Don't save empty sitescheme setting

[afuna]

[commit: http://hg.dwscoalition.org/dw-free/rev/4e1c1cb20530]

http://bugs.dwscoalition.org/show_bug.cgi?id=473

Don't save empty site scheme setting.

Patch from LiveJournal, prepared for Dreamwidth by denise.

Files modified:

• cgi-bin/LJ/Setting/SiteScheme.pm

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diff -r 415cf9038925 -r 4e1c1cb20530 cgi-bin/LJ/Setting/SiteScheme.pm
--- a/cgi-bin/LJ/Setting/SiteScheme.pm	Sat Mar 14 06:32:38 2009 +0000
+++ b/cgi-bin/LJ/Setting/SiteScheme.pm	Sat Mar 14 06:37:29 2009 +0000
@@ -61,6 +61,8 @@ sub error_check {
     my ($class, $u, $args) = @_;
     my $val = $class->get_arg($args, "sitescheme");
 
+    return 1 unless $val;
+
     my @scheme_names;
     foreach my $scheme (LJ::site_schemes()) {
         push @scheme_names, $scheme->{scheme};
@@ -77,6 +79,7 @@ sub save {
     $class->error_check($u, $args);
 
     my $val = my $cval = $class->get_arg($args, "sitescheme");
+    return 1 unless $val;
     my @bml_schemes = LJ::site_schemes();
 
     # don't set cookie for default scheme
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