post and pre install of ahenk fixed

debian/ahenk.postinst.debhelper

@@ -6,8 +6,8 @@ fi
 
 # End automatically added section
 # Automatically added by dh_installinit
-if [[ "$1" = "configure" ]] || [[ "$1" = "abort-upgrade" ]]; then
-	if [[ -x "/etc/init.d/ahenk" ]]; then
+if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
+	if [ -x "/etc/init.d/ahenk" ]; then
 		update-rc.d ahenk defaults >/dev/null
 		invoke-rc.d ahenk start || exit $?
 	fi

debian/ahenk.postrm

@@ -2,6 +2,6 @@
 
 set -e
 
-if [[ -d /etc/ahenk ]] && [[ "$1" = "purge" ]];then
+if [ -d /etc/ahenk ] && [ "$1" = "purge" ];then
     rm -rf /etc/ahenk
 fi

debian/ahenk.postrm.debhelper

@@ -1,12 +1,12 @@
 # Automatically added by dh_installinit
-if [[ "$1" = "purge" ]] ; then
+if [ "$1" = "purge" ] ; then
 	update-rc.d ahenk remove >/dev/null
 fi
 
 
 # In case this system is running systemd, we make systemd reload the unit files
 # to pick up changes.
-if [[ -d /run/systemd/system ]] ; then
+if [ -d /run/systemd/system ] ; then
 	systemctl --system daemon-reload >/dev/null || true
 fi
 # End automatically added section

debian/ahenk.preinst

@@ -4,7 +4,7 @@ set -e
 
 # Create necessary directories
 #update ahenk from 1.0.0-6 to 1.0.0-7
-if [[ -d /etc/ahenk ]]; then
+if [ -d /etc/ahenk ]; then
 
     cp -rf /etc/ahenk /tmp