Fixed issue with movie player notification handling

Author: mwaterfall

Pod/Classes/MWPhotoBrowser.m

@@ -1226,6 +1226,11 @@ - (void)_playVideo:(NSURL *)videoURL atPhotoIndex:(NSUInteger)index {
 
 - (void)videoFinishedCallback:(NSNotification*)aNotification {
 
+    // Remove observer
+    [[NSNotificationCenter defaultCenter] removeObserver:self
+                                                    name:MPMoviePlayerPlaybackDidFinishNotification
+                                                  object:_currentVideoPlayerViewController.moviePlayer];
+    
     // Dismiss with our modal transition
     [self dismissViewControllerAnimated:YES completion:nil];
 
@@ -1236,9 +1241,6 @@ - (void)videoFinishedCallback:(NSNotification*)aNotification {
 
 - (void)clearCurrentVideo {
     if (!_currentVideoPlayerViewController) return;
-    [[NSNotificationCenter defaultCenter] removeObserver:self
-                                                    name:MPMoviePlayerPlaybackDidFinishNotification
-                                                  object:_currentVideoPlayerViewController.moviePlayer];
     [_currentVideoLoadingIndicator removeFromSuperview];
     _currentVideoPlayerViewController = nil;
     _currentVideoLoadingIndicator = nil;