Setup example shader.

src/file/loaders/scaledtexture.h

@@ -21,7 +21,7 @@
  * @return A pointer to the asset manager item for tracking.
  */
 assetmanageritem_t * assetManagerLoadScaledTexture(
-  assetmanager_t *manager, assetmanagerowner_t owner,
+  assetmanager_t *manager, assetmanagerholder_t owner,
   const char path[], const char file[]
 );