fix(util): array length check

Author: dylanvdmerwe

ionic/util/util.ts

@@ -184,7 +184,8 @@ export function getQuerystring(url: string): any {
       const queries = url.slice(startIndex + 1).split('&');
       queries.filter((param) => { return param.indexOf('=') > 0; }).forEach((param) => {
         var split = param.split('=');
-        queryParams[split[0].toLowerCase()] = split[1].split('#')[0];
+        if(split.length > 1)
+          queryParams[split[0].toLowerCase()] = split[1].split('#')[0];
       });
     }
   }