[gn build] fix build after a7b2847216b4f7
authorNico Weber <thakis@chromium.org>
Thu, 10 Dec 2020 15:28:00 +0000 (10:28 -0500)
committerNico Weber <thakis@chromium.org>
Thu, 10 Dec 2020 15:28:48 +0000 (10:28 -0500)
commit985739ec059d23d7478ea1eee5a14e8160658c1b
treec5488b4cc4afa19dbf175d2615803914c8e9a3a1
parentb505142fa5d301238796318d2d092d6fb3bd2d31
[gn build] fix build after a7b2847216b4f7

Ports 6e42a417bacb since it's now needed, and undo an accidental
deletion from d69762c404ded while here (this part is not needed to fix
the build, it's just in the vicinity).
llvm/utils/gn/secondary/llvm/include/llvm/Frontend/OpenACC/BUILD.gn
llvm/utils/gn/secondary/llvm/include/llvm/Frontend/OpenMP/BUILD.gn