Fix browser version regular expression

Author: pandamicro

CCBoot.js

@@ -1758,8 +1758,8 @@ var _initSys = function () {
     sys.browserVersion = "";
     /* Determine the browser version number */
     (function(){
-        var versionReg1 = /(micromessenger|mqqbrowser|qq|maxthon|baidu|sogou)(mobile)?(browser)?\/?([\d.]+)/i;
-        var versionReg2 = /(msie |rv:|firefox|chrome|ucbrowser|oupeng|opera|opr|safari|miui)(mobile)?(browser)?\/?([\d.]+)/i;
+        var versionReg1 = /(mqqbrowser|micromessenger|sogou|qzone|liebao|maxthon|baidu)(mobile)?(browser)?\/?([\d.]+)/i;
+        var versionReg2 = /(msie |rv:|firefox|chrome|ucbrowser|qq|oupeng|opera|opr|safari|miui)(mobile)?(browser)?\/?([\d.]+)/i;
         var tmp = ua.match(versionReg1);
         if(!tmp) tmp = ua.match(versionReg2);
         sys.browserVersion = tmp ? tmp[4] : "";