[Bf-extensions-cvs] [04dc7f2a] master: Fix T61012: update Export UV addon after recent API change

[Jacques Lucke]

Commit: 04dc7f2acbe3d7b6dc5c85ce259aba17bd747448
Author: Jacques Lucke
Date:   Wed Jan 30 12:26:19 2019 +0100
Branches: master
https://developer.blender.org/rBA04dc7f2acbe3d7b6dc5c85ce259aba17bd747448

Fix T61012: update Export UV addon after recent API change

`Material.diffuse_color` has an alpha component now.

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M	io_mesh_uv_layout/__init__.py

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diff --git a/io_mesh_uv_layout/__init__.py b/io_mesh_uv_layout/__init__.py
index ad20a7a1..85d55b28 100644
--- a/io_mesh_uv_layout/__init__.py
+++ b/io_mesh_uv_layout/__init__.py
@@ -212,7 +212,7 @@ class ExportUVLayout(bpy.types.Operator):
         if polygon.material_index < len(mesh.materials):
             material = mesh.materials[polygon.material_index]
             if material is not None:
-                return tuple(material.diffuse_color)
+                return tuple(material.diffuse_color)[:3]
         return default
 
     def get_exporter(self):