nfsd: include linux/nfs4.h in export.h

export.h refers to the pnfs_layouttype enum, which is defined there.

Signed-off-by: Jeff Layton <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: J. Bruce Fields <[email protected]>

Author: jtlayton

fs/nfsd/export.h

@@ -6,6 +6,7 @@
 
 #include <linux/sunrpc/cache.h>
 #include <uapi/linux/nfsd/export.h>
+#include <linux/nfs4.h>
 
 struct knfsd_fh;
 struct svc_fh;