Summary: - I noticed that nxplayer (HTTP audio streaming) + command execution via telnet sometimes causes memory corruption. See https://github.com/apache/nuttx/pull/7947 for the detail. - This commit fixes this issue by calling lib_stream_release() before lib_stream_release() in group_leave.c Impact: - Should be none Testing: - Tested with spresense:wifi_smp Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>