Bug Fix: #4356 GROUPed selects show number of rows as if not grouped.

Bug Fix: #4356 GROUPed selects show number of rows as if not grouped.
https://sourceforge.net/p/phpmyadmin/bugs/4356/

After this commit:
![group_by_2](https://cloud.githubusercontent.com/assets/6863616/2669449/75dadb66-c0c2-11e3-83de-6da21b7fdac3.png)


Signed-off-by: Ashutosh Dhundhara <ashutoshdhundhara@yahoo.com>