Give mesh images an indicative filename

src/freedombone-image

@@ -331,11 +331,15 @@ chown -R $CURR_USER:$CURR_USER $TEMPBUILD_DIR
 cd $TEMPBUILD_DIR
 
 if [[ $MINIMAL_INSTALL == "yes" ]]; then
-	IMAGE_NAME='min'
+	IMAGE_NAME=$'min'
 fi
 
 if [[ $ONION_ONLY != "no" ]]; then
-	IMAGE_NAME='onion'
+	IMAGE_NAME=$'onion'
+fi
+
+if [[ $VARIANT == 'mesh' ]]; then
+	IMAGE_NAME=$'mesh'
 fi
 
 cd $TEMPBUILD_DIR