Merge pull request #4145 from MilhouseVH/le10_init_fix_race

init: remove file before overwriting

packages/sysutils/busybox/scripts/init

@@ -313,6 +313,7 @@ update_file() {
   if [ -f "$UPDATE_DIR/$2" -a -f "$3" ]; then
     mount -o remount,rw /flash
 
+    rm -f "$3"
     StartProgress percent "Updating $1... " "$3" $(stat -t "$UPDATE_DIR/$2" | awk '{print $2}')
       # use dd here with conv=fsync so that all writes are non-buffered
       # ensuring accurate progress - take the sync hit during the