[PATCH] severing skbuff.h -> poll.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/gfs2/locking/dlm/plock.c b/fs/gfs2/locking/dlm/plock.c
index 7365aec..3799f19 100644
--- a/fs/gfs2/locking/dlm/plock.c
+++ b/fs/gfs2/locking/dlm/plock.c
@@ -8,6 +8,7 @@
 
 #include <linux/miscdevice.h>
 #include <linux/lock_dlm_plock.h>
+#include <linux/poll.h>
 
 #include "lock_dlm.h"