Add "-o" option to "expression" which prints the object description if available.

llvm-svn: 115115
diff --git a/lldb/source/Commands/CommandObjectExpression.h b/lldb/source/Commands/CommandObjectExpression.h
index 4aed304..3229a42 100644
--- a/lldb/source/Commands/CommandObjectExpression.h
+++ b/lldb/source/Commands/CommandObjectExpression.h
@@ -50,6 +50,7 @@
         lldb::Encoding  encoding;
         lldb::Format    format;
         bool        debug;
+        bool        print_object;
         bool        show_types;
         bool        show_summary;
     };