add #!/bin/bash to make executable

Author: edit4ever

bin/tv_grab_zap2xml

@@ -1,5 +1,4 @@
-#!/bin/sh
-
+#!/bin/bash
 ################################################################################
 #      This file is part of OpenELEC - http://www.openelec.tv
 #      Copyright (C) 2009-2014 Stephan Raue (stephan@openelec.tv)