Merge pull request #309 from giuseppe/libcomposefs-drop-ro

libcomposefs: drop using "ro" option

libcomposefs/lcfs-mount.c

@@ -580,7 +580,7 @@ static errint_t lcfs_mount_erofs(const char *source, const char *target,
 		return -ENOTSUP;
 
 	res = mount(source, target, "erofs", MS_RDONLY,
-		    image_has_acls ? "ro" : "ro,noacl");
+		    image_has_acls ? NULL : "noacl");
 	if (res < 0)
 		return -errno;