From 04f0048430a01105927ca81e9fda6bc834dcaad7 Mon Sep 17 00:00:00 2001
From: kitsunenokenja <kitsunenokenja@users.noreply.github.com>
Date: Sun, 12 Nov 2017 09:02:30 -0500
Subject: [PATCH] Add missing header include for std::ceil call (#6655)

OpenGLDrawingEngine::ConfigureCanvas calls std::ceil which is defined by
the cmath include. Adding the include directive resolves a compilation
failure to due std::ceil being otherwise undefined.
---
 src/openrct2-ui/drawing/engines/opengl/OpenGLDrawingEngine.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/openrct2-ui/drawing/engines/opengl/OpenGLDrawingEngine.cpp b/src/openrct2-ui/drawing/engines/opengl/OpenGLDrawingEngine.cpp
index 2ab5deb49e..bbc3731427 100644
--- a/src/openrct2-ui/drawing/engines/opengl/OpenGLDrawingEngine.cpp
+++ b/src/openrct2-ui/drawing/engines/opengl/OpenGLDrawingEngine.cpp
@@ -16,6 +16,7 @@
 
 #ifndef DISABLE_OPENGL
 
+#include <cmath>
 #include <unordered_map>
 #include <SDL.h>