Update check_permissions.sh

lgsm/functions/check_permissions.sh

@@ -22,7 +22,7 @@ fi
 
 fn_check_permissions(){
 if [ -n "${functionsdir}" ]; then
-  find "${functionsdir}" -name "*.sh" | while read filename; do perm="$(stat -c %a "${filename}")"; shortperm="$(echo ${perm:0:1})";
+  find "${functionsdir}" -name "*.sh" | while read -r filename; do perm="$(stat -c %a "${filename}")"; shortperm="$(echo "${perm:0:1}")";
     if [ "${shortperm}" != "7" ]; then
       permissionerror="1"
       echo "Found permission error on $filename"