system fix : normalize quaternion after catmullrom

WickedEngine/wiTransform.cpp

@@ -294,6 +294,7 @@ void Transform::CatmullRom(const Transform* a, const Transform* b, const Transfo
 		XMLoadFloat4(&d->rotation),
 		t
 	);
+	R = XMQuaternionNormalize(R);
 	XMVECTOR S = XMVectorCatmullRom(
 		XMLoadFloat3(&a->scale),
 		XMLoadFloat3(&b->scale),

WickedEngine/wiVersion.cpp

@@ -9,7 +9,7 @@ namespace wiVersion
 	// minor features, major updates
 	const int minor = 17;
 	// minor bug fixes, alterations, refactors, updates
-	const int revision = 27;
+	const int revision = 28;
 
 
 	long GetVersion()