Tidy up the way we include EHHeaderParser.hpp.

Other source files in the source tree tend to include this header file
unconditionally. It also parses perfectly fine on ARM EHABI systems.



git-svn-id: https://llvm.org/svn/llvm-project/libunwind/trunk@297175 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed