libmount: cleanup btrfs.c header

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/libmount/src/btrfs.c b/libmount/src/btrfs.c
index 1db604a878f1df09ca9a93214fc5afaeef339fc6..edcabf3cae827d9ddd9bcfcded283ed84075fa77 100644 (file)
--- a/libmount/src/btrfs.c
+++ b/libmount/src/btrfs.c
@@ -1,12 +1,12 @@
 /*
- * Copyright (C) 1999 Andrea Arcangeli <andrea@suse.de>
  * Copyright (C) 2016 David Sterba <dsterba@suse.cz>
  * Copyright (C) 2016 Stanislav Brabec <sbrabec@suse.cz>
  *
+ * Based on kernel ctree.h, rbtree.h and btrfs-progs.
+ *
  * This file may be redistributed under the terms of the
  * GNU Lesser General Public License.
  */
-
 #include <dirent.h>
 #include <sys/ioctl.h>
 #include <libio.h>