fixed the test "unexpected globals sharing by using _G (header_filter_by_lua*)" by chaoslawful which did not really test what it was supposed to test.
fixed the test "unexpected globals sharing by using _G (header_filter_by_lua*)" by chaoslawful which did not really test what it was supposed to test.

yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx,yeahdongcn/SEnginx