I am a little confuse about this.
1)The php.ini.....is for repair the Tabs or for Gzip issue with the Front page module???.
Because with the another php.ini in:
The tabs fail.
2)This php.ini, here is the same, that this above?
3)Important: for what php versions is this php.ini??
Now go to try to install the new Tabs module, and i´ll tell you