Avoid closure compiler suspicious code warning (#5584)

8 years ago · cb58d37bbc
parent 3bb12e75f7
commit cb58d37bbc
1 changed files with 1 additions and 1 deletions
--- a/program/js/app.js
+++ b/program/js/app.js
@ -361,7 +361,7 @@ function rcube_webmail()
          if (bw.mz && this.env.mimetype == 'application/pdf') {
            n = 0; // there will be two onload events, first for the preload page
            $(this.gui_objects.messagepartframe).on('load', function() {
-              if (n++) try { this.contentWindow.document; ref.enable_command('print', true); }
+              if (n++) try { if (this.contentWindow.document) ref.enable_command('print', true); }
                catch (e) {/* ignore */}
            });
          }