patch 9.2.0134: memory leak in socket_server_send_reply()

Problem:  memory leak in socket_server_send_reply() in src/os_unix.c
Solution: Free final in the error case when returning early
          (Huihui Huang).

closes: #19627

Signed-off-by: Huihui Huang <625173@qq.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/os_unix.c

@@ -9778,6 +9778,7 @@ socket_server_send_reply(char_u *client, char_u *str)
 	    socket_server_write(socket_fd, final, sz, 1000) == FAIL)
     {
 	socket_server_free_cmd(&cmd);
+	vim_free(final);
 	close(socket_fd);
 	return FAIL;
     }

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    134,
 /**/
     133,
 /**/