Missing return in nn_tcp_optset added
Missing return in nn_tcp_optset added

Signed-off-by: Martin Sustrik <4dd6061be1198639e8b05ce4fd5ead7a0dcaa0f4@250bpm.com>

thisco-de/nanomsg,imp/nanomsg,gdamore/mamomsg,pch957/nanomsg,pakozm/nanomsg,zerotacg/nanomsg,yan97ao/nanomsg,wfxiang08/nanomsg,hyperfact/nanomsg,JackDunaway/featherweight-nanomsg,gdamore/mamomsg,pakozm/nanomsg,wfxiang08/nanomsg,imp/nanomsg,pakozm/nanomsg,TTimo/nanomsg,kaostao/nanomsg,reqshark/nanomsg,wirebirdlabs/featherweight-nanomsg,linearregression/nanomsg,featherweight/ftw-kernel-nanomsg,simplestbest/nanomsg,kaostao/nanomsg,hyperfact/nanomsg,kaostao/nanomsg,smithed/nanomsg,potatogim/nanomsg,JackDunaway/featherweight-nanomsg,yan97ao/nanomsg,modulexcite/nanomsg,nirs/nanomsg,cosin2008/nanomsg.NET,krafczyk/nanomsg,zerotacg/nanomsg,reqshark/nanomsg,smithed/nanomsg,simplestbest/nanomsg,kaostao/nanomsg,snikulov/nanomsg,modulexcite/nanomsg,krafczyk/nanomsg,TTimo/nanomsg,nirs/nanomsg,ttyangf/nanomsg,wfxiang08/nanomsg,TTimo/nanomsg,tempbottle/nanomsg,modulexcite/nanomsg,zerotacg/nanomsg,featherweight/ftw-kernel-nanomsg,potatogim/nanomsg,smithed/nanomsg,cosin2008/nanomsg.NET,pch957/nanomsg,linearregression/nanomsg,yan97ao/nanomsg,tempbottle/nanomsg,nirs/nanomsg,gdamore/mamomsg,potatogim/nanomsg,cosin2008/nanomsg.NET,wirebirdlabs/featherweight-nanomsg,thisco-de/nanomsg,ttyangf/nanomsg,hyperfact/nanomsg,reqshark/nanomsg,imp/nanomsg,linearregression/nanomsg,pch957/nanomsg,JackDunaway/featherweight-nanomsg,ttyangf/nanomsg,wirebirdlabs/featherweight-nanomsg,krafczyk/nanomsg,tempbottle/nanomsg,simplestbest/nanomsg,smithed/nanomsg,snikulov/nanomsg,ttyangf/nanomsg,TTimo/nanomsg