Refs #669. Fixed the build bug with gcc on Mac OS X.
Refs #669. Fixed the build bug with gcc on Mac OS X.

yuyichao/OpenBLAS,buffer51/OpenBLAS,buffer51/OpenBLAS,kortschak/OpenBLAS,yuyichao/OpenBLAS,buffer51/OpenBLAS,kortschak/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,xianyi/OpenBLAS,kortschak/OpenBLAS,yuyichao/OpenBLAS,buffer51/OpenBLAS,grisuthedragon/OpenBLAS,kortschak/OpenBLAS,grisuthedragon/OpenBLAS,kortschak/OpenBLAS,grisuthedragon/OpenBLAS,xianyi/OpenBLAS,grisuthedragon/OpenBLAS,grisuthedragon/OpenBLAS,kortschak/OpenBLAS,kortschak/OpenBLAS,xianyi/OpenBLAS,kortschak/OpenBLAS,buffer51/OpenBLAS,yuyichao/OpenBLAS,xianyi/OpenBLAS,yuyichao/OpenBLAS,buffer51/OpenBLAS,grisuthedragon/OpenBLAS,yuyichao/OpenBLAS,xianyi/OpenBLAS,yuyichao/OpenBLAS,buffer51/OpenBLAS,grisuthedragon/OpenBLAS,yuyichao/OpenBLAS,yuyichao/OpenBLAS,grisuthedragon/OpenBLAS,buffer51/OpenBLAS,kortschak/OpenBLAS