[dw-free] clean up error logs

[fu]

[commit: http://hg.dwscoalition.org/dw-free/rev/8c33e8a914f5]

http://bugs.dwscoalition.org/show_bug.cgi?id=2812

Short-circuit when there's no handle available.

Patch by kareila.

Files modified:

• cgi-bin/LJ/Entry.pm

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diff -r 40d459a3001c -r 8c33e8a914f5 cgi-bin/LJ/Entry.pm
--- a/cgi-bin/LJ/Entry.pm	Sat Aug 28 14:08:48 2010 +0800
+++ b/cgi-bin/LJ/Entry.pm	Sat Aug 28 14:11:23 2010 +0800
@@ -1703,7 +1703,7 @@ sub get_itemid_near2
         return 0;
     }
 
-    my $dbr = LJ::get_cluster_reader($u);
+    my $dbr = LJ::get_cluster_reader($u) or return 0;
     my $jid = $u->{'userid'}+0;
     my $field = $u->is_person ? "revttime" : "rlogtime";
 
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