Make sure switch covers all values.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@193052 91177308-0d34-0410-b5e6-96231b3b80d8
Fix python-free build.


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@193053 91177308-0d34-0410-b5e6-96231b3b80d8