romfs: have romfs_fs.h pull in necessary headers

This header uses things like __be32, so pull in linux/types.h.

Further, it uses BLOCK_SIZE, so pull in linux/fs.h.

Signed-off-by: Mike Frysinger <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

include/linux/romfs_fs.h

···
 #ifndef __LINUX_ROMFS_FS_H
 #define __LINUX_ROMFS_FS_H
 
+#include <linux/types.h>
+#include <linux/fs.h>
+
 /* The basic structures of the romfs filesystem */
 
 #define ROMBSIZE BLOCK_SIZE