headers_check fix: linux/msdos_fs.h

fix the following 'make headers_check' warning:

  usr/include/linux/msdos_fs.h:100: found __[us]{8,16,32,64} type without #include <linux/types.h>

Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index e0a9b20..ce38f1c 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -1,6 +1,7 @@
 #ifndef _LINUX_MSDOS_FS_H
 #define _LINUX_MSDOS_FS_H
 
+#include <linux/types.h>
 #include <linux/magic.h>
 #include <asm/byteorder.h>