Removed MSGPACK_ENABLE_GCC_CXX_ATOMIC macro#530

Merged

redboltz merged 1 commit intomsgpack:masterfrom

Oct 11, 2016

Commits on Oct 11, 2016

Removed MSGPACK_ENABLE_GCC_CXX_ATOMIC macro since this does not exist in user code and this code would not be active then.
mbodmer
committed