kernel/linprocfs: Add a missing header for spin_{,un}lock().

diff --git a/sys/emulation/linux/i386/linprocfs/linprocfs_vnops.c b/sys/emulation/linux/i386/linprocfs/linprocfs_vnops.c
index 65c0c1d..77d1f3a 100644 (file)
--- a/sys/emulation/linux/i386/linprocfs/linprocfs_vnops.c
+++ b/sys/emulation/linux/i386/linprocfs/linprocfs_vnops.c
@@ -64,6 +64,7 @@
 #include <vm/vm_zone.h>
 #include "linprocfs.h"
 #include <sys/pioctl.h>
+#include <sys/spinlock2.h>
 
 #include <machine/limits.h>