Fix for bug 238807 (Compilation error in txXPathTreeWalker.h when building txXMLParser). r=Pike, sr=jst.

content/xslt/src/xpath/txXPathTreeWalker.h

@@ -72,7 +72,7 @@ class nsIDOMDocument;
 class txXPathTreeWalker
 {
 public:
-    explicit txXPathTreeWalker(const txXPathTreeWalker& aOther);
+    txXPathTreeWalker(const txXPathTreeWalker& aOther);
     explicit txXPathTreeWalker(const txXPathNode& aNode);
     ~txXPathTreeWalker();