Fail build when unused c code is detected
Fail build when unused c code is detected

Motivation:

To keep our code clean we should fail the build when unused c code is detected.

Modifications:

- Add '-Wunused-variable' to build flags

Result:

Cleaner code.

doom369/netty,KatsuraKKKK/netty,bryce-anderson/netty,cnoldtree/netty,blucas/netty,NiteshKant/netty,Squarespace/netty,jchambers/netty,mcobrien/netty,ngocdaothanh/netty,netty/netty,artgon/netty,zer0se7en/netty,mcobrien/netty,blucas/netty,s-gheldd/netty,carl-mastrangelo/netty,fengjiachun/netty,mcobrien/netty,ngocdaothanh/netty,skyao/netty,carl-mastrangelo/netty,tbrooks8/netty,netty/netty,bryce-anderson/netty,kiril-me/netty,louxiu/netty,andsel/netty,zer0se7en/netty,ejona86/netty,fenik17/netty,KatsuraKKKK/netty,netty/netty,gerdriesselmann/netty,Spikhalskiy/netty,artgon/netty,louxiu/netty,andsel/netty,mikkokar/netty,Apache9/netty,louxiu/netty,skyao/netty,tbrooks8/netty,idelpivnitskiy/netty,johnou/netty,fengjiachun/netty,doom369/netty,fengjiachun/netty,zer0se7en/netty,gerdriesselmann/netty,zer0se7en/netty,kiril-me/netty,andsel/netty,bryce-anderson/netty,s-gheldd/netty,idelpivnitskiy/netty,KatsuraKKKK/netty,jchambers/netty,johnou/netty,idelpivnitskiy/netty,fengjiachun/netty,ngocdaothanh/netty,gerdriesselmann/netty,fenik17/netty,s-gheldd/netty,mikkokar/netty,Apache9/netty,Apache9/netty,cnoldtree/netty,blucas/netty,NiteshKant/netty,fenik17/netty,artgon/netty,gerdriesselmann/netty,skyao/netty,Spikhalskiy/netty,andsel/netty,louxiu/netty,s-gheldd/netty,doom369/netty,doom369/netty,s-gheldd/netty,mikkokar/netty,maliqq/netty,blucas/netty,KatsuraKKKK/netty,bryce-anderson/netty,netty/netty,carl-mastrangelo/netty,artgon/netty,tbrooks8/netty,jchambers/netty,Squarespace/netty,jchambers/netty,carl-mastrangelo/netty,cnoldtree/netty,andsel/netty,artgon/netty,bryce-anderson/netty,Spikhalskiy/netty,maliqq/netty,tbrooks8/netty,gerdriesselmann/netty,NiteshKant/netty,Apache9/netty,fenik17/netty,ngocdaothanh/netty,Spikhalskiy/netty,johnou/netty,fengjiachun/netty,maliqq/netty,kiril-me/netty,zer0se7en/netty,maliqq/netty,Squarespace/netty,louxiu/netty,mcobrien/netty,cnoldtree/netty,NiteshKant/netty,mcobrien/netty,ejona86/netty,ejona86/netty,idelpivnitskiy/netty,mikkokar/netty,jchambers/netty,ejona86/netty,maliqq/netty,cnoldtree/netty,Squarespace/netty,tbrooks8/netty,netty/netty,kiril-me/netty,ngocdaothanh/netty,johnou/netty,ejona86/netty,doom369/netty,Spikhalskiy/netty,Apache9/netty,NiteshKant/netty,fenik17/netty,mikkokar/netty,blucas/netty,johnou/netty,idelpivnitskiy/netty,KatsuraKKKK/netty,skyao/netty,Squarespace/netty,carl-mastrangelo/netty,kiril-me/netty,skyao/netty