Fix bug that prevented XCode to switch between Release and Debug build type.
Fix bug that prevented XCode to switch between Release and Debug build type.

hpicgs/cmake-init,j-o/cmake-init,cginternals/cmake-init,dkushner/quartermaster,hpicgs/cmake-init,j-o/cmake-init,j-o/cmake-init,semperos/cmake-init,hpicgs/cmake-init,hpicgs/cmake-init,sebastiankaybelle/cmake-init,sebastiankaybelle/cmake-init,j-o/cmake-init,semperos/cmake-init,dkushner/quartermaster,cginternals/cmake-init