Fix libcxx build with glibc 2.26+ by removing xlocale.h include.

Patch by Khem Raj. Reviewed as D35697. Also see PR33729.



git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@309920 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed