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-rw-r--r--slirp/tcp.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/slirp/tcp.h b/slirp/tcp.h
index 174d3d960c..47aaea6c5b 100644
--- a/slirp/tcp.h
+++ b/slirp/tcp.h
@@ -33,6 +33,8 @@
 #ifndef TCP_H
 #define TCP_H
 
+#include <glib.h>
+
 typedef	uint32_t tcp_seq;
 
 #define      PR_SLOWHZ       2               /* 2 slow timeouts per second (approx) */
@@ -51,7 +53,7 @@ struct tcphdr {
 	uint16_t th_dport;              /* destination port */
 	tcp_seq	th_seq;			/* sequence number */
 	tcp_seq	th_ack;			/* acknowledgement number */
-#ifdef HOST_WORDS_BIGENDIAN
+#if G_BYTE_ORDER == G_BIG_ENDIAN
 	uint8_t	th_off:4,		/* data offset */
 		th_x2:4;		/* (unused) */
 #else