Fix bad wpa.c merge

Patch 6447609b523a020db19a3b5c20c6e6e8cd0aa868 applied incorrectly.
Missed a wpa_supplicant_install_gtk call, potentially breaking FILS
connections.

Bug: 68204262
Test: Wifi Integration tests
Change-Id: I69132dfd8157ba1f9c68942171604a630829bec4
1 file changed