Bug 398407 - Animated gif images only working once on mouseover/mouseout, patch by Andrew Smith, r=pavlov, a=pavlov (+blocking1.9+)

modules/libpr0n/src/imgContainer.cpp

@@ -361,7 +361,7 @@ NS_IMETHODIMP imgContainer::StopAnimation()
 NS_IMETHODIMP imgContainer::ResetAnimation()
 {
   if (mAnimationMode == kDontAnimMode || 
-      !mAnim || mAnim->currentAnimationFrameIndex)
+      !mAnim || mAnim->currentAnimationFrameIndex == 0)
     return NS_OK;
 
   PRBool oldAnimating = mAnim->animating;