xbps-triggers: fixed a stupid typo, exit from INSTALL if xbps-uhelper not found.

srcpkgs/xbps-triggers/INSTALL

@@ -10,8 +10,9 @@ pre)
 		uhelper="$(command -v xbps-uhelper.static)"
 	elif command -v xbps-uhelper 2>&1 >/dev/null; then
 		uhelper="$(command -v xbps-uhelper)"
+	else
+		exit 0
 	fi
-	[ -z "$uhelper" ] && break
 
 	set +e
 	${uhelper} cmpver $(${uhelper} version xbps-base-files) 0.37

srcpkgs/xbps-triggers/template

@@ -15,6 +15,6 @@ do_install()
 	install -d ${DESTDIR}/var/db/xbps/triggers
 	install -m750 ${XBPS_TRIGGERSDIR}/* ${DESTDIR}/var/db/xbps/triggers
 	for f in $(find ${DESTDIR}/var/db/xbps/triggers); do
-		echo "# end" > ${f}
+		echo "# end" >> ${f}
 	done
 }