osx: fix building libmemenv.a
osx: fix building libmemenv.a

munnecoin/Munnewallet,munnecoin/Munnewallet,munnecoin/Munnewallet,munnecoin/Munnewallet,munnecoin/Munnewallet,munnecoin/Munnewallet,munnecoin/Munnewallet,munnecoin/Munnewallet