Added a 'void' format so that the user can manually
suppress all non-error output from the "expression"
command.

<rdar://problem/11225150>


git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@161502 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed