From a0742e99e36ecace1a13eea1a490d31e831724e9 Mon Sep 17 00:00:00 2001
From: Camilla Berglund <elmindreda@elmindreda.org>
Date: Wed, 17 Sep 2014 12:28:26 +0200
Subject: [PATCH] Fixed error return value of glfwGetCocoaMonitor.

---
 src/cocoa_monitor.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/cocoa_monitor.m b/src/cocoa_monitor.m
index de7c6245..5ced387e 100644
--- a/src/cocoa_monitor.m
+++ b/src/cocoa_monitor.m
@@ -421,7 +421,7 @@ void _glfwPlatformSetGammaRamp(_GLFWmonitor* monitor, const GLFWgammaramp* ramp)
 GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* handle)
 {
     _GLFWmonitor* monitor = (_GLFWmonitor*) handle;
-    _GLFW_REQUIRE_INIT_OR_RETURN(0);
+    _GLFW_REQUIRE_INIT_OR_RETURN(kCGNullDirectDisplay);
     return monitor->ns.displayID;
 }