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
diff --git a/source/Commands/CommandObjectMemory.cpp b/source/Commands/CommandObjectMemory.cpp
index 1760c1d..7152230 100644
--- a/source/Commands/CommandObjectMemory.cpp
+++ b/source/Commands/CommandObjectMemory.cpp
@@ -1108,6 +1108,7 @@
             case eFormatAddressInfo:
             case eFormatHexFloat:
             case eFormatInstruction:
+            case eFormatVoid:
                 result.AppendError("unsupported format for writing memory");
                 result.SetStatus(eReturnStatusFailed);
                 return false;