Change src/compat/ => src/compat/compat/ in BUILD.gn file

I compiled before submitting, but my checkout must have somehow (?)
gotten into a bad state where the compilation didn't fail because of
this. I did notice it after syncing a few CLs down the line, though.

Bug: 991960
Change-Id: Ica4e2bcf1973ada598a9dde1bea3be6181eea1a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/third_party/libunwindstack/+/1876902
Reviewed-by: Mike Wittman <wittman@chromium.org>
1 file changed
tree: 9af172f4aad7a2faffd373fec7d32908d1865333
  1. .clang-format
  2. BUILD.gn
  3. LICENSE
  4. OWNERS
  5. README.chromium
  6. patches/
  7. src/
  8. tools/