From 042e3c960273b2d3f4246c4bead2a99b04226489 Mon Sep 17 00:00:00 2001
From: Lukas Werling <lukas.werling@gmail.com>
Date: Sat, 7 May 2016 22:03:25 +0200
Subject: [PATCH] SDL: Fix crash when opening resolution selector

---
 src/platform/C4AppSDL.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/platform/C4AppSDL.cpp b/src/platform/C4AppSDL.cpp
index e7e1c028b..ef7ca5f76 100644
--- a/src/platform/C4AppSDL.cpp
+++ b/src/platform/C4AppSDL.cpp
@@ -197,7 +197,7 @@ bool C4AbstractApp::GetIndexedDisplayMode(int32_t iIndex, int32_t *piXRes, int32
 	*piXRes = mode.w;
 	*piYRes = mode.h;
 	*piBitDepth = SDL_BITSPERPIXEL(mode.format);
-	*piRefreshRate = mode.refresh_rate;
+	if (piRefreshRate) *piRefreshRate = mode.refresh_rate;
 	return true;
 }