Fix minor syntax error which broke the compilation.

TBR=whesse@chromium.org

Review URL: http://codereview.chromium.org/660377

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/rewriter.cc

@@ -249,7 +249,7 @@ void AstOptimizer::VisitVariableProxy(VariableProxy* node) {
       Slot* slot = var->slot();
       node->set_side_effect_free(
           (slot->type() == Slot::LOCAL  && !slot->is_arguments()) ||
-          slot->type() == Slot::PARAMETER));
+          slot->type() == Slot::PARAMETER);
       // stack_height and expression_size remain 0.
     }
   }