am 48d116ed: init.rc: Fix commands for allowing the system_server to access wpa_supplicant.conf

Merge commit '48d116edf9c785ed284626cbe0bbf5c958cf5e67'

* commit '48d116edf9c785ed284626cbe0bbf5c958cf5e67':
  init.rc: Fix commands for allowing the system_server to access wpa_supplicant.conf
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 062957a..799995a 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -79,11 +79,10 @@
     mkdir /data/misc/keystore 0770 keystore keystore
     mkdir /data/misc/vpn 0770 system system
     mkdir /data/misc/vpn/profiles 0770 system system
-    mkdir /data/misc/wifi 0770 wifi system
-    chown wifi system /data/misc/wifi
-    touch /data/misc/wifi/wpa_supplicant.conf
+    # give system access to wpa_supplicant.conf for backup and restore
+    mkdir /data/misc/wifi 0770 wifi wifi
+    chmod 0770 /data/misc/wifi
     chmod 0660 /data/misc/wifi/wpa_supplicant.conf
-    chown wifi system /data/misc/wifi/wpa_supplicant.conf
     mkdir /data/local 0771 shell shell
     mkdir /data/local/tmp 0771 shell shell
     mkdir /data/data 0771 system system