[dw-free] clean up error logs

[fu]

[commit: http://hg.dwscoalition.org/dw-free/rev/5d0abc94e568]

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

Friendlier error message when trying to edit interests en masse, and have no
user.

Patch by kareila.

Files modified:

• htdocs/interests.bml

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diff -r 7f859be4695c -r 5d0abc94e568 htdocs/interests.bml
--- a/htdocs/interests.bml	Sat Aug 28 17:48:42 2010 +0800
+++ b/htdocs/interests.bml	Sat Aug 28 18:09:49 2010 +0800
@@ -226,6 +226,8 @@ body<=
         my $userid = $u->userid;
         my $username = $u->user;
         my $fromu = LJ::load_user($GET{'fromuser'} || $username);
+
+        return "<?h1 $ML{'Error'} h1?><?p $ML{'.error.nointerests'} p?>" unless $fromu;
 
         my %uint;
 
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