Update adguard-v5.sh

ct/adguard-v5.sh

@@ -124,7 +124,7 @@ function default_settings() {
   echo -e "${BL}Creating a ${APP} LXC using the above default settings${CL}"
 }
 
-exit-script() {
+function exit-script() {
     echo -e "⚠  User exited script \n"
     exit
 }