Nope, I was right originally.  ResolveUsername should resolve "~" to the 
current user, and ResolvePartialUsername will resolve "~" to the list of
users.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@217723 91177308-0d34-0410-b5e6-96231b3b80d8