Util now includes buffer_t if not included elsewhere
Util now includes buffer_t if not included elsewhere


Former-commit-id: 93e83ceebdc36be4e768f2123f412f1e4cc3b017
Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide