datapath: <linux/if_vlan.h> needs <linux/skbuff.h> on some kernels.

Otherwise this fails to build on 2.6.18.

diff --git a/datapath/linux-2.6/compat-2.6/include/linux/if_vlan.h b/datapath/linux-2.6/compat-2.6/include/linux/if_vlan.h
index 3bede9302b580e4e7bc20a036534298cda6d16fb..8bc4ac522e4cf88604630ce3cd1b14b1dc142a85 100644 (file)
--- a/datapath/linux-2.6/compat-2.6/include/linux/if_vlan.h
+++ b/datapath/linux-2.6/compat-2.6/include/linux/if_vlan.h
@@ -2,6 +2,7 @@
 #define __LINUX_IF_VLAN_WRAPPER_H 1
 
 #include_next <linux/if_vlan.h>
+#include <linux/skbuff.h>
 
 /*
  * The behavior of __vlan_put_tag() has changed over time: