Fix FC in WifiConfigInfo

To reproduce:
-------------
1. Turn off Wi-Fi
2. Open the dialer and input *#*#4636#*#*
3. Navigate to Wi-Fi information -> Wi-Fi config and observe "Unfortunately,
Settings has stopped" dialog.

Change-Id: I6ed59fc157e9bd8a46e00184b91a1a9f0412d198
Signed-off-by: Shuhrat Dehkanov <uzbmaster@gmail.com>
Merge "Fix FC in WifiConfigInfo" into jb4.2