Updated CREDITS.TXT

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185462 91177308-0d34-0410-b5e6-96231b3b80d8
Don't free the C locale on NetBSD.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185467 91177308-0d34-0410-b5e6-96231b3b80d8