Null coroutines after they are finished

Author: adamgraham

Runtime/CinematicBars.cs

@@ -216,6 +216,8 @@ private IEnumerator Animate(float currentHeight, float desiredHeight)
             }
 
             SetDesiredHeight(desiredHeight);
+
+            coroutine = null;
         }
 
         private float CalculateMatteHeight()

Runtime/Letterboxing.cs

@@ -152,6 +152,8 @@ private IEnumerator Animate(float currentHeight, float desiredHeight)
             }
 
             SetViewportHeight(desiredHeight);
+
+            coroutine = null;
         }
 
         private float CalculateViewportHeight()