[csharp] Ported AnimationState change

spine-csharp/src/AnimationState.cs

@@ -176,7 +176,7 @@ namespace Spine {
 				float mix = current.alpha;
 				if (current.mixingFrom != null)
 					mix *= ApplyMixingFrom(current, skeleton);
-				else if (current.trackTime >= current.trackEnd) //
+				else if (current.trackTime >= current.trackEnd && current.next == null) //
 					mix = 0; // Set to setup pose the last time the entry will be applied.
 
 				// Apply current entry.