fs/ntfs3: Add missing header and guards to lib/ headers

size_t needs header. Add missing header guards so that compiler will
only include these ones.

Signed-off-by: Kari Argillander <[e-mail]>
Signed-off-by: Konstantin Komarov <[e-mail]>

fs/ntfs3/lib/decompress_common.h

···
  * Copyright (C) 2015 Eric Biggers
  */
 
+#ifndef _LINUX_NTFS3_LIB_DECOMPRESS_COMMON_H
+#define _LINUX_NTFS3_LIB_DECOMPRESS_COMMON_H
+
 #include <linux/string.h>
 #include <linux/compiler.h>
 #include <linux/types.h>
···
 
 	return dst;
 }
+
+#endif /* _LINUX_NTFS3_LIB_DECOMPRESS_COMMON_H */

fs/ntfs3/lib/lib.h

···
  * - linux kernel code style
  */
 
+#ifndef _LINUX_NTFS3_LIB_LIB_H
+#define _LINUX_NTFS3_LIB_LIB_H
+
+#include <linux/types.h>
 
 /* globals from xpress_decompress.c */
 struct xpress_decompressor *xpress_allocate_decompressor(void);
···
 		   const void *__restrict compressed_data,
 		   size_t compressed_size, void *__restrict uncompressed_data,
 		   size_t uncompressed_size);
+
+#endif /* _LINUX_NTFS3_LIB_LIB_H */