Bug 408446: Non-text attachments were mangled by "binmode STDOUT, ':utf8'"

Patch By Max Kanat-Alexander <mkanat@bugzilla.org> r=LpSolit, a=mkanat

webtools/bugzilla/attachment.cgi

@@ -246,6 +246,9 @@ sub view {
     print $cgi->header(-type=>"$contenttype; name=\"$filename\"",
                        -content_disposition=> "inline; filename=\"$filename\"",
                        -content_length => $attachment->datasize);
+    if (Bugzilla->params->{'utf8'}) {
+        binmode STDOUT, ':raw'; # Turn off UTF8 encoding.
+    }
     print $attachment->data;
 }