collada loader no longer sets default wrapping mode to MIRROR. See https://sourceforge.net/projects/assimp/forums/forum/817653/topic/3714378

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@728 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/ColladaHelper.h

@@ -426,8 +426,8 @@ struct Sampler
 	Sampler()
 		:	mWrapU		(true)
 		,	mWrapV		(true)
-		,	mMirrorU	(true)
-		,	mMirrorV	(true)
+		,	mMirrorU	()
+		,	mMirrorV	()
 		,	mOp			(aiTextureOp_Multiply)
 		,	mUVId		(0xffffffff)
 		,	mWeighting  (1.f)