btrfs-progs: replace test_issubvolume() with btrfs_util_is_subvolume()

This gets the remaining occurrences that weren't covered by previous
conversions.

Signed-off-by: Omar Sandoval <osandov@fb.com>
[ fixup test_issubvolume due to removed dependency patch ]
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/utils.h b/utils.h
index eb460e9b..403de481 100644
--- a/utils.h
+++ b/utils.h
@@ -149,7 +149,6 @@ u64 disk_size(const char *path);
 u64 get_partition_size(const char *dev);
 
 int test_issubvolname(const char *name);
-int test_issubvolume(const char *path);
 int test_isdir(const char *path);
 
 const char *subvol_strip_mountpoint(const char *mnt, const char *full_path);