Attempts to close a tooltip when no tooltip has been set may cause errors

[yingbaiibm]

Env:
Cacti 1.2.4
FF
rhel7 x64

JS error:

diff for layout.js
@@ -684,7 +684,9 @@
$(this).tooltip('close');
})
.on('click', function() {

• $(this).tooltip('close');

• if($(this).tooltip > -1) {
• $(this).tooltip('close');
• }
  });
  $(document).tooltip({
  @@ -4014,5 +4016,3 @@
  }
  }
  }

[yingbaiibm]