Changed expected result to list IPv6 local interface too.

src/interfaces/ecpg/test/expected/connect-test1.stderr

@@ -6,7 +6,7 @@
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ecpg_execute on line 23: using PQexec
 [NO_PID]: sqlca: code: 0, state: 00000
-[NO_PID]: ecpg_execute on line 23: OK: ALTER ROLE
+[NO_PID]: ecpg_process_output on line 23: OK: ALTER ROLE
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ecpg_finish: connection main closed
 [NO_PID]: sqlca: code: 0, state: 00000
@@ -52,6 +52,9 @@
 [NO_PID]: ECPGconnect: opening database connectdb on localhost port <REGRESSION_PORT>  for user connectuser
 [NO_PID]: sqlca: code: 0, state: 00000
 [NO_PID]: ECPGconnect: could not open database: could not connect to server: Connection refused
+	Is the server running on host "localhost" (::1) and accepting
+	TCP/IP connections on port 20?
+could not connect to server: Connection refused
 	Is the server running on host "localhost" (127.0.0.1) and accepting
 	TCP/IP connections on port 20?