backing out previous checking. it is busting one of the linuxes..

editor/libeditor/html/nsHTMLEditorStyle.cpp

@@ -1411,10 +1411,7 @@ nsHTMLEditor::RelativeFontChangeOnTextNode( PRInt32 aSizeChange,
     if (NS_FAILED(res)) return res;
   }
 
-  NS_NAMED_LITERAL_STRING(bigSize, "big");
-  NS_NAMED_LITERAL_STRING(smallSize, "small");
-  nsAutoString nodeType = (aSizeChange==1) ? bigSize : smallSize;
-
+  nsAutoString nodeType(aSizeChange==1 ? NS_LITERAL_STRING("big") : NS_LITERAL_STRING("small"));
   // look for siblings that are correct type of node
   nsCOMPtr<nsIDOMNode> sibling;
   GetPriorHTMLSibling(node, address_of(sibling));