Folder names only called when depth 0. Temp until IsServer implemented.

mailnews/base/src/nsMsgAccountManagerDS.cpp

@@ -238,10 +238,15 @@ nsMsgAccountManagerDataSource::GetTarget(nsIRDFResource *source,
     else {
       nsCOMPtr<nsIMsgFolder> folder = do_QueryInterface(source, &rv);
       if (NS_SUCCEEDED(rv)) {
-        nsXPIDLString prettyName;
-        rv = folder->GetPrettyName(getter_Copies(prettyName));
-        if (NS_SUCCEEDED(rv))
-          str = prettyName;
+		PRUint32 depth;
+		rv = folder->GetDepth(&depth);
+		if(NS_SUCCEEDED(rv) && depth == 0)
+		{
+			nsXPIDLString prettyName;
+			rv = folder->GetPrettyName(getter_Copies(prettyName));
+			if (NS_SUCCEEDED(rv))
+			  str = prettyName;
+		}
       }
     }
   }
@@ -260,6 +265,10 @@ nsMsgAccountManagerDataSource::GetTarget(nsIRDFResource *source,
 
   if (str!="")
     rv = createNode(str, target);
+  //if we have an empty string and we don't have an error value, then 
+  //we don't have a value for RDF.
+  else if(NS_SUCCEEDED(rv))
+	rv = NS_RDF_NO_VALUE;
 
   return rv;
 }