Add the new IPv6 sniffer test file to the automake list.

scripts/include.am

@@ -84,6 +84,7 @@ endif
 endif
 
 EXTRA_DIST +=  scripts/testsuite.pcap \
+			   scripts/sniffer-ipv6.pcap \
                scripts/ping.test
 
 # leave openssl.test as extra until non bash works