Fix bad cast to XPath::Filter in XPathGrammar.y

Source/core/xml/XPathGrammar.y

Index: Source/core/xml/XPathGrammar.y
diff --git a/Source/core/xml/XPathGrammar.y b/Source/core/xml/XPathGrammar.y
index f40b3ce9af9ba94922ebbac7ddaf0e45390cca99..6911fcfe6013114b255058e116f6a029e3d04f61 100644
--- a/Source/core/xml/XPathGrammar.y
+++ b/Source/core/xml/XPathGrammar.y
@@ -429,7 +429,7 @@ PathExpr:
     FilterExpr '/' RelativeLocationPath
     {
         $3->setAbsolute(true);
-        $$ = new Path(static_cast<Filter*>($1), $3);
+        $$ = new Path($1, $3);
         parser->unregisterParseNode($1);
         parser->unregisterParseNode($3);
         parser->registerParseNode($$);
@@ -439,7 +439,7 @@ PathExpr:
     {
         $3->insertFirstStep($2);
         $3->setAbsolute(true);
-        $$ = new Path(static_cast<Filter*>($1), $3);
+        $$ = new Path($1, $3);
         parser->unregisterParseNode($1);
         parser->unregisterParseNode($2);
         parser->unregisterParseNode($3);