btrfs-progs: mkfs: use const char for unmodified members of directory_name_entry

We never modify the members, just point them to other strings.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/mkfs.c b/mkfs.c
index 2b6fc64..8c15ceb 100644 (file)
--- a/mkfs.c
+++ b/mkfs.c
@@ -48,8 +48,8 @@ static u64 index_cnt = 2;
 static int verbose = 1;
 
 struct directory_name_entry {
-       char *dir_name;
-       char *path;
+       const char *dir_name;
+       const char *path;
        ino_t inum;
        struct list_head list;
 };