fixed typo

create-arista-veos-image/create-arista-veos-image.sh

@@ -318,7 +318,7 @@ else
   echo "Default flavor $GLANCE_IMAGE_NAME.medium already exists..."
 fi
 
-# create deault subtype
+# create default subtype
 cat << EOF > dynamic-subtype-$GLANCE_IMAGE_NAME.json.default.virl-above-1.3
 {
   "dynamic-subtypes": [