Merge pull request #365 from silentrob/master

Mocha was complaining on leaking variable

Author: felixge

lib/protocol/SqlString.js

@@ -74,7 +74,7 @@ SqlString.dateToString = function(date, timeZone) {
   var dt = new Date(date);
 
   if (timeZone != 'local') {
-    tz = convertTimezone(timeZone);
+    var tz = convertTimezone(timeZone);
 
     dt.setTime(dt.getTime() + (dt.getTimezoneOffset() * 60000));
     if (tz !== false) {