Fixing an issue where saying 'po foo' made both the summary and the description for foo come out. If one is po'ing something they most probably only care about the description - We will not omit the summary

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@153608 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Commands/CommandObjectExpression.cpp b/source/Commands/CommandObjectExpression.cpp
index f039310..33ec52c 100644
--- a/source/Commands/CommandObjectExpression.cpp
+++ b/source/Commands/CommandObjectExpression.cpp
@@ -364,10 +364,11 @@
                 .SetScopeChecked(true)
                 .SetFlatOutput(false)
                 .SetUseSyntheticValue(true)
-                .SetOmitSummaryDepth(0)
                 .SetIgnoreCap(false)
                 .SetFormat(format)
-                .SetSummary();
+                .SetSummary()
+                .SetShowSummary(!m_command_options.print_object);
+                
                 ValueObject::DumpValueObject (*(output_stream),
                                               result_valobj_sp.get(),   // Variable object to dump
                                               options);