Use correct accessor in Buffer<> per review feedback.
Use correct accessor in Buffer<> per review feedback.


Former-commit-id: ae6631cd8fc619418935fd2f09e9f6dfff424217 [formerly 87d504fc62abd7083db90ad562b405ba636f40b9]
Former-commit-id: b5a8ac758bee34d75ceec72ce94ad1ad8b8fedf7
darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide