MAINT-840 VWR-28604 DEV-2548: [PUBLIC]Object by multiple creators shows creator

as "(unknown)" in Inventory.   Now shows "(unknown / multiple)".  Reviewed by Kelly

indra/newview/llsidepaneliteminfo.cpp

@@ -352,7 +352,7 @@ void LLSidepanelItemInfo::refreshFromItem(LLViewerInventoryItem* item)
 		getChildView("BtnCreator")->setEnabled(FALSE);
 		getChildView("LabelCreatorTitle")->setEnabled(FALSE);
 		getChildView("LabelCreatorName")->setEnabled(FALSE);
-		getChild<LLUICtrl>("LabelCreatorName")->setValue(getString("unknown"));
+		getChild<LLUICtrl>("LabelCreatorName")->setValue(getString("unknown_multiple"));
 	}
 
 	////////////////

indra/newview/skins/default/xui/en/sidepanel_item_info.xml

@@ -11,6 +11,10 @@
 		 name="unknown">
         (unknown)
 	</panel.string>
+    <panel.string
+         name="unknown_multiple">
+        (unknown / multiple)
+    </panel.string>
 	<panel.string
 		 name="public">
         (public)