busybox: add initial support for shutdown scripts

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/sysutils/busybox/scripts/init

@@ -46,6 +46,8 @@
   progress "Starting Init Scripts"
     RET=0
 
+    RUNLEVEL="boot"
+
     for script in `ls -1 /etc/init.d/*`; do
       if grep -q -e "^# runlevels:.*$MODE" $script; then
         . $script
@@ -53,3 +55,15 @@
         test $S_RET -ge $RET && RET=$S_RET
       fi
     done
+
+    if [ -z "$RUNLEVEL" -o $RUNLEVEL="boot" ]; then
+      RUNLEVEL="poweroff"
+    fi
+
+    for script in `ls -r1 /etc/init.d/*`; do
+      if grep -q -e "^# runlevels:.*$MODE" $script; then
+        . $script
+        S_RET=$?
+        test $S_RET -ge $RET && RET=$S_RET
+      fi
+    done