Revert "Remove /system from the dirs to relabel."

This reverts commit 3d4d07b2fa3b2447646d3c87a0b401e993ad8363.
diff --git a/init/init.c b/init/init.c
index fc8ff20..5c03dea 100755
--- a/init/init.c
+++ b/init/init.c
@@ -795,6 +795,7 @@
     selinux_init_all_handles();
 
     selinux_android_fixcon("/data");
+    selinux_android_fixcon("/system");
     selinux_android_fixcon("/dev");
 
     return 0;