Increase size of meshclient image

src/freedombone-image

@@ -547,7 +547,7 @@ if [[ $VARIANT == 'meshclient' || $VARIANT == 'meshusb' ]]; then
     fi
 
     if [ ! $IMAGE_SIZE_SPECIFIED ]; then
-        IMAGE_SIZE=7.9G
+        IMAGE_SIZE=15.0G
     fi
 fi