Fix T45315: Obj loader incorrectly loading specular maps.

'map_Ks' is for specularity color, not secularity intensity
(which seems to have no equivalent in OBJ).

io_scene_obj/__init__.py

@@ -21,7 +21,7 @@
 bl_info = {
     "name": "Wavefront OBJ format",
     "author": "Campbell Barton, Bastien Montagne",
-    "version": (2, 1, 2),
+    "version": (2, 1, 3),
     "blender": (2, 74, 0),
     "location": "File > Import-Export",
     "description": "Import-Export OBJ, Import OBJ mesh, UV's, "

io_scene_obj/import_obj.py

@@ -116,7 +116,7 @@ def create_materials(filepath, relpath,
 
             mtex.texture = texture
             mtex.texture_coords = 'UV'
-            mtex.use_map_specular = True
+            mtex.use_map_color_spec = True
 
         elif type == 'Bump':
             mtex = blender_material.texture_slots.add()