fixes: add null check for ngx_stream_lua_get_req in ngx_stream_lua_util#370

zhuizhuhaomeng merged 2 commits intoopenresty:masteropenresty/stream-lua-nginx-module:masterfrom

Fahnenfluchtige:null_checkingFahnenfluchtige/stream-lua-nginx-module:null_checkingCopy head branch name to clipboard