ext4: fix a style issue in fs/ext4/acl.c

Fixed an if statement where braces were not needed.

Link: https://lore.kernel.org/r/20200416141456.1089-1-carlosteniswarrior@gmail.com
Signed-off-by: Carlos Guerrero Álvarez <carlosteniswarrior@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>

fs/ext4/acl.c

@@ -215,9 +215,8 @@ __ext4_set_acl(handle_t *handle, struct inode *inode, int type,
 				      value, size, xattr_flags);
 
 	kfree(value);
-	if (!error) {
+	if (!error)
 		set_cached_acl(inode, type, acl);
-	}
 
 	return error;
 }