Have each sock implementation free the group_impl itself.
This allows C++ based sock implementations like Seastar
to release the group_impl memory using delete rather
than free.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: If40a91e8bc93a531701fc30d847ab28fa11858ab
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/469618
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
685cbeebd4