fuse: add include protectors

Add include protectors to include/linux/fuse.h and fs/fuse/fuse_i.h.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
diff --git a/include/linux/fuse.h b/include/linux/fuse.h
index 265635d..8bc1101 100644
--- a/include/linux/fuse.h
+++ b/include/linux/fuse.h
@@ -19,6 +19,9 @@
  *  - add file flags field to fuse_read_in and fuse_write_in
  */
 
+#ifndef _LINUX_FUSE_H
+#define _LINUX_FUSE_H
+
 #include <asm/types.h>
 #include <linux/major.h>
 
@@ -409,3 +412,5 @@
 #define FUSE_DIRENT_ALIGN(x) (((x) + sizeof(__u64) - 1) & ~(sizeof(__u64) - 1))
 #define FUSE_DIRENT_SIZE(d) \
 	FUSE_DIRENT_ALIGN(FUSE_NAME_OFFSET + (d)->namelen)
+
+#endif /* _LINUX_FUSE_H */