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-rw-r--r--sysdep/linux/sysio.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sysdep/linux/sysio.h b/sysdep/linux/sysio.h
index 56c3387d..dc807392 100644
--- a/sysdep/linux/sysio.h
+++ b/sysdep/linux/sysio.h
@@ -122,6 +122,8 @@ sysio_leave_group(sock *s, ip_addr maddr)
#define TCP_MD5SIG 14
#define TCP_MD5SIG_MAXKEYLEN 80
+#include <linux/types.h>
+
struct tcp_md5sig {
struct sockaddr_storage tcpm_addr; /* address associated */
__u16 __tcpm_pad1; /* zero */