[Bf-extensions-cvs] [f50a11f] blender-v2.78-release: Fix T49338: Export to OBJ add extra space to the texture file name on MTL file

[Sergey Sharybin]

Commit: f50a11ff30e785bf4dcf7746d23b507e4314bbd3
Author: Sergey Sharybin
Date:   Tue Sep 13 12:26:05 2016 +0200
Branches: blender-v2.78-release
https://developer.blender.org/rBAf50a11ff30e785bf4dcf7746d23b507e4314bbd3

Fix T49338: Export to OBJ add extra space to the texture file name on MTL file

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M	io_scene_obj/export_obj.py

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diff --git a/io_scene_obj/export_obj.py b/io_scene_obj/export_obj.py
index 9418cc6..3933abf 100644
--- a/io_scene_obj/export_obj.py
+++ b/io_scene_obj/export_obj.py
@@ -188,7 +188,10 @@ def write_mtl(scene, filepath, path_mode, copy_set, mtl_dict):
                         options.append('-o %.6f %.6f %.6f' % mtex.offset[:])
                     if mtex.scale != Vector((1.0, 1.0, 1.0)):
                         options.append('-s %.6f %.6f %.6f' % mtex.scale[:])
-                    fw('%s %s %s\n' % (key, " ".join(options), repr(filepath)[1:-1]))
+                    if options:
+                        fw('%s %s %s\n' % (key, " ".join(options), repr(filepath)[1:-1]))
+                    else:
+                        fw('%s %s\n' % (key, repr(filepath)[1:-1]))
 
 
 def test_nurbs_compat(ob):