bugfix: the Makefile had a bug that overwrites existing cjson.so file in place which could cause already running nginx workers to crash. thanks ywsample for the report.
bugfix: the Makefile had a bug that overwrites existing cjson.so file in place which could cause already running nginx workers to crash. thanks ywsample for the report.

goecho/lua-cjson,hilllinux/lua-cjson,goecho/lua-cjson,msva/lua-cjson,goecho/lua-cjson,hilllinux/lua-cjson,msva/lua-cjson,openresty/lua-cjson,hilllinux/lua-cjson,openresty/lua-cjson,openresty/lua-cjson,msva/lua-cjson