Fix reversed size value in metadata

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

includes/GlModelHandler.php

@@ -6,7 +6,7 @@ use BitmapMetadataHandler;
 use Html;
 
 class GlModelHandler extends ImageHandler {
-    private const GLMV_VERSION = '0.2';
+    private const GLMV_VERSION = '0.3';
 
     /**
      * Model cannot be displayed directly in a browser but can be rendered.
@@ -180,8 +180,8 @@ class GlModelHandler extends ImageHandler {
         $metaHandler = new BitmapMetadataHandler;
         $metaHandler->addMetadata($newMeta,'native');
         return array(
-            'width' => 600,
-            'height' => 800,
+            'width' => 800,
+            'height' => 600,
             'metadata' => $newMeta
         );
     }