From 4158cf0d9980d6b666f7736242423ac473c96800 Mon Sep 17 00:00:00 2001
From: Robert Payne <robertpayne@me.com>
Date: Mon, 16 Feb 2015 13:09:18 +1300
Subject: [PATCH] Further fix remake constraints crash in Swift 1.2

---
 Snap/Constraint.swift | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Snap/Constraint.swift b/Snap/Constraint.swift
index c9fa8ae..9a07b07 100644
--- a/Snap/Constraint.swift
+++ b/Snap/Constraint.swift
@@ -402,8 +402,10 @@ public class Constraint {
         if let view = self.installedOnView {
             // remove all installed layout constraints
             var layoutConstraintsToRemove = Array<LayoutConstraint>()
-            if let installedLayoutConstraints = self.installedLayoutConstraints?.allObjects as? Array<LayoutConstraint> {
-                layoutConstraintsToRemove += installedLayoutConstraints
+            if let allObjects = self.installedLayoutConstraints?.allObjects {
+                if let installedLayoutConstraints = allObjects as? Array<LayoutConstraint> {
+                    layoutConstraintsToRemove += installedLayoutConstraints
+                }
             }
             
             if layoutConstraintsToRemove.count > 0 {