Problem: CHECK_PRINTF style doesn't work on Windows
Problem: CHECK_PRINTF style doesn't work on Windows

Solution: we need the same EXPORT macros on both instances of prototype.

eburkitt/zproject,hintjens/zproject,zeromq/zproject,twhittock/zproject,paddor/zproject,taotetek/zproject,zeromq/zproject,keent/zproject,eburkitt/zproject,keent/zproject,twhittock/zproject,taotetek/zproject,zeromq/zproject,paddor/zproject,hintjens/zproject,paddor/zproject,taotetek/zproject