[view] refacto the fix #c7f57a0 by using the native Date option

lib/local-history-view.js

@@ -195,9 +195,6 @@ LocalHistoryView.prototype.saveRevision = function saveRevision(buffer) {
   now         = new Date();
   day         = '' + now.getDate();
   month       = '' + (now.getMonth() + 1);
-  hour        = '' + now.getHours(); //24-hours format
-  minute      = '' + now.getMinutes();
-  second      = '' + now.getSeconds();
   pathDirName = path.dirname(buffer.file.path);
 
   if (day.length === 1) {
@@ -208,25 +205,11 @@ LocalHistoryView.prototype.saveRevision = function saveRevision(buffer) {
     month = '0' + month;
   }
 
-  if (hour.length === 1) {
-    hour = '0' + hour;
-  }
-
-  if (minute.length === 1) {
-    minute = '0' + minute;
-  }
-
-  if (second.length === 1) {
-    second = '0' + second;
-  }
-
   // YYYY-mm-dd_HH-ii-ss_basename
   revFileName  = now.getFullYear() +
     '-' + month +
     '-' + day +
-    '_' + hour +
-    '-' + minute +
-    '-' + second +
+    '_' + now.toLocaleTimeString({hour12: false}).replace(/:/g, '-') +
     '_' + path.basename(buffer.file.path)
   ;