Update haos-vm-v4.sh

vm/haos-vm-v4.sh

@@ -16,6 +16,7 @@ CL=`echo "\033[m"`
 BFR="\\r\\033[K"
 HOLD="-"
 CM="${GN}✓${CL}"
+CROSS="${RD}✗${CL}"
 set -o errexit
 set -o errtrace
 set -o nounset
@@ -79,6 +80,11 @@ function msg_ok() {
     local msg="$1"
     echo -e "${BFR} ${CM} ${GN}${msg}${CL}"
 }
+function msg_error() {
+    local msg="$1"
+    echo -e "${BFR} ${CROSS} ${RD}${msg}${CL}"
+}
+
 function default_settings() {
         echo -e "${DGN}Using HAOS Version: ${BGN}${STABLE}${CL}"
         BRANCH=${STABLE}
@@ -210,8 +216,7 @@ STORAGE_MENU+=( "$TAG" "$ITEM" "OFF" )
 done < <(pvesm status -content images | awk 'NR>1')
 VALID=$(pvesm status -content images | awk 'NR>1')
 if [ -z "$VALID" ]; then
-	echo -e "\n${RD}⚠ Unable to detect a valid storage location.${CL}"
-	echo -e "Exiting..."
+msg_error "Unable to detect a valid storage location."
   exit
 elif [ $((${#STORAGE_MENU[@]}/3)) -eq 1 ]; then
   STORAGE=${STORAGE_MENU[0]}