Make sure all the convolve functions are defined.

CQ_INCLUDE_TRYBOTS=skia.primary:Build-Ubuntu-GCC-x86_64-Release-Fast,Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD


Change-Id: I5ae1fdee957f796d8051bbb0eca9e037aef9b2c9
Reviewed-on: https://skia-review.googlesource.com/5655
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
1 file changed