Updated my role

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@191596 91177308-0d34-0410-b5e6-96231b3b80d8
Fixed bad link for n3789; thanks to Chip Davis for the catch

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@191598 91177308-0d34-0410-b5e6-96231b3b80d8