Allow to specify UDPv4/6 multicast interface

[paraslash.git] / udp_header.h

diff --git a/udp_header.h b/udp_header.h
index 83157e6ba1974fcad3453a45d1873b899335e44b..7e94b5840ffd964fe46981cee1eb9005620ed198 100644 (file)
--- a/udp_header.h
+++ b/udp_header.h
@@ -5,6 +5,7 @@
  */
 
 /** \file udp_header.h some macros used by udp_send.c and udp_recv.c. */
+#include <net/if.h>
 
 /**
  * Number of bytes of the paraslash udp header.