add missing include (issue #5537)

git-svn-id: http://svn.digium.com/svn/zaptel/branches/v1-0@801 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 1 insertions, 0 deletions

diff --git a/wcfxo.c b/wcfxo.c
index 9145d02..098b9f4 100755
--- a/wcfxo.c
+++ b/wcfxo.c
@@ -31,6 +31,7 @@
 #include <linux/usb.h>
 #include <linux/errno.h>
 #include <linux/pci.h>
+#include <asm/io.h>
 #ifdef STANDALONE_ZAPATA
 #include "zaptel.h"
 #else