fixes #657 extra casts obfuscate code in worker_posix.inc
fixes #657 extra casts obfuscate code in worker_posix.inc

thisco-de/nanomsg,reqshark/nanomsg,featherweight/ftw-kernel-nanomsg,featherweight/ftw-kernel-nanomsg,reqshark/nanomsg,thisco-de/nanomsg,reqshark/nanomsg,snikulov/nanomsg,snikulov/nanomsg