[livejournal] r20211: LJSUP-10003 (remove a warning in LJ/Lang...

U   trunk/cgi-bin/LJ/Lang.pm

Modified: trunk/cgi-bin/LJ/Lang.pm
===================================================================
--- trunk/cgi-bin/LJ/Lang.pm	2011-10-04 05:48:25 UTC (rev 20210)
+++ trunk/cgi-bin/LJ/Lang.pm	2011-10-04 05:57:48 UTC (rev 20211)
@@ -116,6 +116,9 @@
 
 sub get_lang {
     my $code = shift;
+
+    return unless defined $code;
+
     load_lang_struct() unless $LS_CACHED;
     return $LN_CODE{$code};
 }