From 821c9ea38b36fb563c544e02ac49398394bf83cc Mon Sep 17 00:00:00 2001
From: NathanSweet <nathan.sweet@gmail.com>
Date: Sat, 28 Sep 2013 01:37:08 +0200
Subject: [PATCH] Fixed crash from freeing previous twice.

---
 spine-c/src/spine/AnimationState.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/spine-c/src/spine/AnimationState.c b/spine-c/src/spine/AnimationState.c
index 2ed13e0b0..50076935b 100644
--- a/spine-c/src/spine/AnimationState.c
+++ b/spine-c/src/spine/AnimationState.c
@@ -171,7 +171,10 @@ void AnimationState_clearTrack (AnimationState* self, int trackIndex) {
 
 	self->tracks[trackIndex] = 0;
 	_TrackEntry_disposeAll(current);
-	if (current->previous) _TrackEntry_dispose(current->previous);
+	if (current->previous) {
+		_TrackEntry_dispose(current->previous);
+		current->previous = 0;
+	}
 }
 
 TrackEntry* _AnimationState_expandToIndex (AnimationState* self, int index) {