whitespace removal

lib/util-iso.sh

@@ -222,9 +222,9 @@ gen_iso_fn(){
     [[ ${initsys} == 'openrc' ]] && vars+=("${initsys}")
     vars+=("${dist_release}")
     vars+=("${target_branch}")
-    
+
     ! [[ ${full_iso} ]] && vars+=("minimal")
-    
+
     vars+=("${target_arch}")
     for n in ${vars[@]};do
         name=${name:-}${name:+-}${n}