Remove -fvisibility=hidden.
Remove -fvisibility=hidden.

1. We weren't using it.
2. I'm starting to think that maybe dependency management SHOULDN'T scale.

yamingd/stronglink,shaunstanislaus/stronglink,guiquanz/stronglink,yamingd/stronglink,yamingd/stronglink,iOSCowboy/stronglink,shaunstanislaus/stronglink,rmoorman/stronglink,iOSCowboy/stronglink,Lacra17/stronglink,btrask/stronglink,nkatsaros/stronglink,feld/stronglink,nkatsaros/stronglink,btrask/stronglink,nkatsaros/stronglink,rmoorman/stronglink,Lacra17/stronglink,btrask/stronglink,Lacra17/stronglink,shaunstanislaus/stronglink,guiquanz/stronglink,rmoorman/stronglink,Ryezhang/stronglink,iOSCowboy/stronglink,feld/stronglink,Ryezhang/stronglink,Ryezhang/stronglink,guiquanz/stronglink,feld/stronglink,btrask/stronglink