protobuf-c-rpc/protobuf-c-rpc.c: free the timer created by autoreconnect

in case the client has failed to connect and got destroyed (fixes #70)

protobuf-c-rpc/t/test-rpc.c: add a test case for #70

protobuf-c-rpc/protobuf-c-rpc.c

@@ -704,6 +704,7 @@ destroy_client_rpc (ProtobufCService *service)
       break;
     case PROTOBUF_C_CLIENT_STATE_FAILED_WAITING:
       protobuf_c_dispatch_remove_timer (client->info.failed_waiting.timer);
+      client->allocator->free (client->allocator, client->info.failed_waiting.timer);
       client->allocator->free (client->allocator, client->info.failed_waiting.error_message);
       break;
     case PROTOBUF_C_CLIENT_STATE_FAILED:

protobuf-c-rpc/t/test-rpc.c

@@ -182,6 +182,18 @@ pretend_we_are_in_another_thread (ProtobufC_RPC_Server *server,
   return 0;             /* indicate we are NOT in RPC thread */
 }
 
+static void test_client_create_destroy (void)
+{
+   ProtobufCService *rpc_service =
+      protobuf_c_rpc_client_new(PROTOBUF_C_RPC_ADDRESS_LOCAL, "test.socket", NULL, NULL);
+
+   protobuf_c_dispatch_run(protobuf_c_dispatch_default());
+
+   rpc_service->destroy(rpc_service);
+
+   protobuf_c_dispatch_destroy_default();
+}
+
 int main()
 {
   protobuf_c_boolean is_done;
@@ -285,6 +297,9 @@ int main()
 
   protobuf_c_dispatch_destroy_default ();
 
+  message ("creating and destroying a client");
+  test_client_create_destroy();
+
   return 0;
 }