Support build on GNU/Hurd; from Svante Signell.
---
 tcpdump-stdinc.h |    4 ++++
 1 file changed, 4 insertions(+)

--- a/tcpdump-stdinc.h
+++ b/tcpdump-stdinc.h
@@ -117,7 +117,11 @@
 #ifdef HAVE_SYS_BITYPES_H
 #include <sys/bitypes.h>
 #endif
+#ifndef __GNU__
 #include <sys/param.h>
+#else
+#include <rpc/types.h>
+#endif
 #include <sys/types.h>			/* concession to AIX */
 #include <sys/time.h>
 #include <sys/socket.h>