post_proc: fix compiler warnings

Test: build
Change-Id: Ibe023568d07d94e8110a8b9947fdbf5248b90c30
Signed-off-by: David Lin <dtwlin@google.com>
1 file changed
tree: ef5defc562dd091c25187e3b2a64560840b523b5
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk