CRAS: cras_dsp_pipeline: Fix memory leak

cras_dsp_pipeline_free should be called when topological_sort fails.

BUG=b:170096536
TEST=scan-build make check -j$(nproc)

Change-Id: I013c2d4fb80b76fab02967e7ca3030691b8763b9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/adhd/+/2449873
Tested-by: Chih-Yang Hsia <paulhsia@chromium.org>
Reviewed-by: Hsinyu Chao <hychao@chromium.org>
Commit-Queue: Chih-Yang Hsia <paulhsia@chromium.org>
1 file changed