connect: Use the correct close function.

src/connect.c

@@ -358,7 +358,7 @@ socket_t ssh_connect_host_nonblocking(ssh_session session, const char *host,
             "Failed to resolve bind address %s (%s)",
             bind_addr,
             gai_strerror(rc));
-        close(s);
+        ssh_connect_socket_close(s);
         s=-1;
         break;
       }