Avoid breakage on systems lacking IPv6 headers

ChangeLog

@@ -1,6 +1,7 @@
 19991218
  - Redhat init script patch from Chun-Chung Chen 
    <cjj@u.washington.edu>
+ - Avoid breakage on systems without IPv6 headers
 
 19991216
  - Makefile changes for Solaris from Peter Kocks 

canohost.c

@@ -14,7 +14,7 @@
  */
 
 #include "includes.h"
-RCSID("$Id: canohost.c,v 1.5 1999/12/13 23:47:15 damien Exp $");
+RCSID("$Id: canohost.c,v 1.6 1999/12/18 09:57:40 damien Exp $");
 
 #include "packet.h"
 #include "xmalloc.h"
@@ -160,8 +160,9 @@ peer_connection_is_on_socket()
 	memset(&from, 0, sizeof(from));
 	if (getpeername(in, (struct sockaddr *) & from, &fromlen) < 0)
 		return 0;
-	if (from.sin_family != AF_INET && from.sin_family != AF_INET6)
+	if (from.sin_family != AF_INET)
 		return 0;
+
 	return 1;
 }