fix warnings in transformiix standalone, not part of build, r/sr=peterv

extensions/transformiix/source/xml/dom/standalone/Document.cpp

@@ -119,7 +119,7 @@ ProcessingInstruction*
 //
 //Return an Element by ID, introduced by DOM2
 //
-DHASH_WRAPPER(txIDMap, txIDEntry, const nsAString&)
+DHASH_WRAPPER(txIDMap, txIDEntry, nsAString&)
 
 Element* Document::getElementById(const nsAString& aID)
 {

extensions/transformiix/source/xml/dom/standalone/dom.h

@@ -381,7 +381,7 @@ public:
     }
     Element* mElement;
 };
-DECL_DHASH_WRAPPER(txIDMap, txIDEntry, const nsAString&)
+DECL_DHASH_WRAPPER(txIDMap, txIDEntry, nsAString&)
 
 class Document : public NodeDefinition
 {