http://android.googlecode.com/issues/attachment?aid=342120206000&name=wpa_supplicant&token=U5nCUcf3RRFeuiKxNVhM0w4K4rw%3A1350525710707
Steps as follows :
1. Back up your original wpa_supplicant file (copy to "wpa_supplicant.orig" or something like that).
2. Note the file permissions ("rwxr-xr-x").
3. Copy in the new wpa_supplicant.
4. Change permissions on the new wpa_supplicant to the same as the old.
5. Reboot.
