clean up chown wrapper code

lib/util-iso.sh

@@ -613,7 +613,7 @@ compress_images(){
 	make_checksum "${iso_file}"
 	${sign} && sign_iso "${iso_file}"
 	${torrent} && make_torrent
-	user_rown "${iso_dir}"
+	user_own "${iso_dir}" "-R"
 	show_elapsed_time "${FUNCNAME}" "${timer}"
 }
 

lib/util-pkg.sh

@@ -250,7 +250,7 @@ move_to_cache(){
 	mv $src ${pkg_dir}/
 	${sign} && sign_pkg "${src##*/}"
 	[[ -n $PKGDEST ]] && rm "$1"
-	user_rown "${pkg_dir}"
+	user_own "${pkg_dir}" "-R"
 }
 
 archive_logs(){

lib/util.sh

@@ -467,11 +467,8 @@ load_profile_config(){
 }
 
 user_own(){
-	chown "${OWNER}:$(id --group ${OWNER})" "$1"
-}
-
-user_rown(){
-	chown -R "${OWNER}:$(id --group ${OWNER})" "$1"
+	local flag=$2
+	chown ${flag} "${OWNER}:$(id --group ${OWNER})" "$1"
 }
 
 clean_dir(){