From 3bbbbc6ed97b0901be052dceaf740a4d67306020 Mon Sep 17 00:00:00 2001
From: Glenn Grant <glenn@ensquared.net>
Date: Sat, 2 Mar 2013 00:13:00 +1100
Subject: [PATCH] Check _centerPanel exists

Check that _centerPanel exists before removing it's observers
---
 JASidePanels/Source/JASidePanelController.m | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/JASidePanels/Source/JASidePanelController.m b/JASidePanels/Source/JASidePanelController.m
index 83fb85f..9a1a43a 100644
--- a/JASidePanels/Source/JASidePanelController.m
+++ b/JASidePanels/Source/JASidePanelController.m
@@ -107,8 +107,10 @@ + (UIImage *)defaultImage {
 #pragma mark - NSObject
 
 - (void)dealloc {
-    [_centerPanel removeObserver:self forKeyPath:@"view"];
-    [_centerPanel removeObserver:self forKeyPath:@"viewControllers"];
+    if (_centerPanel) {
+        [_centerPanel removeObserver:self forKeyPath:@"view"];
+        [_centerPanel removeObserver:self forKeyPath:@"viewControllers"];
+    }
 }
 
 //Support creating from Storyboard