[csharp] Port of commit de203d5: Fixed TransformMode.noRotationOrReflection applying skeleton scale twice. See #1668.

spine-csharp/src/Bone.cs

@@ -207,7 +207,7 @@ namespace Spine {
 					b = pa * lb - pb * ld;
 					c = pc * la + pd * lc;
 					d = pc * lb + pd * ld;
-					break;
+					return;
 				}
 			case TransformMode.NoScale:
 			case TransformMode.NoScaleOrReflection: {