btrfs-progs: add missing includes to header files

Add includes that let the header files compile or add explicit include
of kerncompat if the uXX types are used.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/free-space-cache.h b/free-space-cache.h
index f2e71a58..85411a10 100644
--- a/free-space-cache.h
+++ b/free-space-cache.h
@@ -19,6 +19,10 @@
 #ifndef __BTRFS_FREE_SPACE_CACHE_H__
 #define __BTRFS_FREE_SPACE_CACHE_H__
 
+#include "kerncompat.h"
+#include "ctree.h"
+#include "rbtree.h"
+
 struct btrfs_free_space {
 	struct rb_node offset_index;
 	u64 offset;