Fix DLL import/export on Win32 locale helpers

llvm-svn: 302391
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 6d0dff294cd809297ec7b56720a6c613110215ee
1 file changed