Marked header-functions in image_io.h as inline to prevent duplicate symbols.
Marked header-functions in image_io.h as inline to prevent duplicate symbols.


Former-commit-id: 49b7131285dacccbc6258cecb0acabbbb9122bdf
Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide