Updates for cm-13.0

Change-Id: I6a0efff3bf6ea2e332cacd7cbb2f2b132b2c73dd
diff --git a/prebuilt/common/bin/backuptool.functions b/prebuilt/common/bin/backuptool.functions
index 0b45247..9598f23 100644
--- a/prebuilt/common/bin/backuptool.functions
+++ b/prebuilt/common/bin/backuptool.functions
@@ -5,7 +5,7 @@
 
 export C=/tmp/backupdir
 export S=/system
-export V=12.1
+export V=13.0
 
 backup_file() {
   if [ -e "$1" ]; then