diff -urN GNUnet-0.6.4a.orig/src/include/gnunet_util.h GNUnet-0.6.4a.new/src/include/gnunet_util.h
--- GNUnet-0.6.4a.orig/src/include/gnunet_util.h	2004-09-12 20:32:45.000000000 +0200
+++ GNUnet-0.6.4a.new/src/include/gnunet_util.h	2004-10-30 19:06:52.000000000 +0200
@@ -1044,8 +1044,8 @@
  * @param ip the IP to check (in network byte order)
  * @return NO if the IP is not in the list, YES if it it is
  */
-int checkIP6Listed(const CIDR6Network * list,
-		   const IP6addr * ip);
+int checkIP6Listed(CIDR6Network * list,
+		   IP6addr * ip);
 
 /**
  * Parse a network specification. The argument specifies
@@ -1058,7 +1058,7 @@
  * @param routeList a string specifying the forbidden networks
  * @return the converted list, NULL if the synatx is flawed
  */
-CIDR6Network * parseRoutes6(const char * routeList);
+CIDR6Network * parseRoutes6(char * routeList);
 
 
 
diff -urN GNUnet-0.6.4a.orig/src/transports/udp6.c GNUnet-0.6.4a.new/src/transports/udp6.c
--- GNUnet-0.6.4a.orig/src/transports/udp6.c	2004-09-18 19:49:26.000000000 +0200
+++ GNUnet-0.6.4a.new/src/transports/udp6.c	2004-10-30 19:20:30.000000000 +0200
@@ -275,6 +275,7 @@
 #endif
     /* quick test of the packet, if failed, repeat! */
     if (size != ntohs(udp6m.size)) {
+      char * tmp = MALLOC(INET6_ADDRSTRLEN);
       LOG(LOG_WARNING,
 	  _("Packed received from %s:%d (UDP6) failed format check."),
 	  inet_ntop(AF_INET6,
@@ -282,6 +283,7 @@
 		    tmp,
 		    INET6_ADDRSTRLEN), 
 	  ntohs(incoming.sin6_port));
+      FREE(tmp);
       goto RETRY;
     }
     GNUNET_ASSERT(sizeof(struct in6_addr) == sizeof(IP6addr));