Include DwarfSection.h header for GN

The following files were changed by
640c1c67586da8eff72cf62fa64cad2f1d1cbc1e:

src/libunwindstack/DwarfCfa.h
src/libunwindstack/DwarfCfa.cpp
src/libunwindstack/DwarfSection.cpp
src/libunwindstack/include/unwindstack/DwarfLocation.h
src/libunwindstack/include/unwindstack/DwarfSection.h
src/libunwindstack/include/unwindstack/MachineArm64.h
src/libunwindstack/include/unwindstack/Regs.h
src/libunwindstack/include/unwindstack/RegsArm64.h
src/libunwindstack/RegsArm64.cpp

DwarfEhFrameWithHdr.h includes <unwindstack/DwarfSection.h> and that
header is changed, but DwarfEhFrameWithHdr.o is not regenerated during
an incremental rebuild and can result in an incremental build error.
Manually updating DwarfEhFrameWithHdr's modification time via touch
results in a successful incremental build.

This change triggers GN to resolve that dependency.

Change-Id: I530b8e7a337ec8b80be27dc5d53972d0ff3aa23d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/third_party/libunwindstack/+/2732393
Reviewed-by: Mike Wittman <wittman@chromium.org>
1 file changed