headers_check fix: linux/bfs_fs.h

fix the following 'make headers_check' warning:

  usr/include/linux/bfs_fs.h:24: found __[us]{8,16,32,64} type without #include <linux/types.h>
Signed-off-by: NJaswinder Singh Rajput <jaswinderrajput@gmail.com>

include/linux/bfs_fs.h

@@ -6,6 +6,8 @@
 #ifndef _LINUX_BFS_FS_H
 #define _LINUX_BFS_FS_H
 
+#include <linux/types.h>
+
 #define BFS_BSIZE_BITS		9
 #define BFS_BSIZE		(1<<BFS_BSIZE_BITS)
 
@@ -17,7 +19,6 @@
 #define BFS_VDIR 2L
 #define BFS_VREG 1L
 
-
 /* BFS inode layout on disk */
 struct bfs_inode {
 	__le16 i_ino;