Don't enable _LIBUNWIND_BUILD_ZERO_COST_APIS if building the SJLJ APIs

Otherwise, a shared library build with SJLJ APIs enabled would
end up with duplicate symbols.

This didn't occur for the apple && arm case due to specifically
checking for that in the surrounding ifdef.

Differential Revision: https://reviews.llvm.org/D42555

git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@323499 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed