Drawable Renderer (#1570), warnings

include/mbgl/gfx/vertex_attribute.hpp

@@ -85,8 +85,7 @@ public:
         }
         return items[i] = value;
     }
-    template <>
-    const ElementType& set(std::size_t i, const ElementType& value) {
+    const ElementType& setVariant(std::size_t i, const ElementType& value) {
         if (items.size() < i + 1) {
             items.resize(std::max(items.size(), i + 1));
         }

src/mbgl/gfx/drawable_builder.cpp

@@ -43,7 +43,7 @@ void DrawableBuilder::flush() {
             vertexAttrs.observeAttributes([&](const std::string& iName, const VertexAttribute& iAttr) {
                 if (auto& drawAttr = drawAttrs->getOrAdd(iName)) {
                     for (std::size_t i = 0; i < impl->vertices.elements(); ++i) {
-                        drawAttr->set<const VertexAttribute::ElementType&>(i, iAttr.get(0));
+                        drawAttr->setVariant(i, iAttr.get(0));
                     }
                 }
             });