init.rc: Adjust perms on /asec

Signed-off-by: San Mehat <san@google.com>
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 43bb40e..c39af6c 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -29,8 +29,8 @@
     mount tmpfs tmpfs /sqlite_stmt_journals size=4m
 
 # create Android Secure External Cache mount tree
-    mkdir /asec  0500 system system
-    mount tmpfs tmpfs /asec mode=0700
+    mkdir /asec  0700 system system
+    mount tmpfs tmpfs /asec mode=0755
 
     mount rootfs rootfs / ro remount