Use reference for FillLayer if possible

Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl

Index: Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
diff --git a/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl b/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
index 97b552a043173e8f05fc3bbce1e2e5ef2814ec96..41608da871169671796a0cede7438e6f8dda5016 100644
--- a/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
+++ b/Source/build/scripts/templates/StyleBuilderFunctions.cpp.tmpl
@@ -388,7 +388,7 @@ static bool lengthTypeAndValueMatch(const BorderImageLengthBox& borderImageLengt
 {% set map_fill = 'mapFill' + fill_type %}
 {{declare_initial_function(property_id)}}
 {
-    FillLayer* currChild = state.style()->{{access_layers}}();
+    FillLayer* currChild = &state.style()->{{access_layers}}();
     currChild->set{{fill_type}}(FillLayer::initialFill{{fill_type}}({{fill_layer_type}}));
     for (currChild = currChild->next(); currChild; currChild = currChild->next())
         currChild->clear{{fill_type}}();
@@ -396,9 +396,9 @@ static bool lengthTypeAndValueMatch(const BorderImageLengthBox& borderImageLengt
 
 {{declare_inherit_function(property_id)}}
 {
-    FillLayer* currChild = state.style()->{{access_layers}}();
+    FillLayer* currChild = &state.style()->{{access_layers}}();
     FillLayer* prevChild = 0;
-    const FillLayer* currParent = state.parentStyle()->{{layer_type|lower}}Layers();
+    const FillLayer* currParent = &state.parentStyle()->{{layer_type|lower}}Layers();
     while (currParent && currParent->is{{fill_type}}Set()) {
         if (!currChild) {
             /* Need to make a new layer.*/
@@ -420,7 +420,7 @@ static bool lengthTypeAndValueMatch(const BorderImageLengthBox& borderImageLengt
 
 {{declare_value_function(property_id)}}
 {
-    FillLayer* currChild = state.style()->{{access_layers}}();
+    FillLayer* currChild = &state.style()->{{access_layers}}();
     FillLayer* prevChild = 0;
     if (value->isValueList() && !value->isImageSetValue()) {
         /* Walk each value and put it into a layer, creating new layers as needed. */