Merge pull request #831 from nclsHart/webui-fix-folder-issue-decoration

[Web UI] Fix folder plugin decoration issue for exclamation/question mark

glances/outputs/static/js/services/plugins/glances_folders.js

@@ -23,6 +23,10 @@ glancesApp.service('GlancesPluginFolders', function() {
 
     this.getDecoration = function(folder) {
 
+        if (!Number.isInteger(folder.size)) {
+            return;
+        }
+
         if (folder.critical !== null && folder.size > (folder.critical * 1000000)) {
             return 'critical';
         } else if (folder.warning !== null && folder.size > (folder.warning * 1000000)) {