Fixing Makefile for C module build on OS X/Homebrew
Fixing Makefile for C module build on OS X/Homebrew

Former-commit-id: d841d97e96827173daec48bbb9df627c87270a2f
Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide