added rmsbdir to erase sb directory

Slax/debian/rootcopy/usr/bin/rmsbdir

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Author: Tomas M. <http://www.slax.org/>
+
+if [ ! -e "$1" ]; then
+   echo 
+   echo "Erase module directory created by sb2dir"
+   echo "Usage: $0 [source_directory.sb]"
+   exit 1
+fi
+
+if [ ! -d "$1" ]; then
+   echo "Directory does not exist: $1" >&2
+   exit
+fi
+
+umount "$1" 2>/dev/null
+rm -Rf "$1"