Fix savecore init script to execute after dumpon, but before encswap

This ensures that any kernel crash dumps are available when savecore
runs. It also prevents encswap from corrupting them.

init.d/savecore.in

@@ -6,7 +6,8 @@ description="Saves a kernel dump."
 
 depend()
 {
-	need localmount
+	need dumpon localmount
+	before encswap
 	keyword -jail
 }