Maelstrom: Always use fullscreen on iOS

https://github.com/libsdl-org/Maelstrom/commit/a5be42ffe4ad0a3e60f0579f7d74e71e76ed3063

From a5be42ffe4ad0a3e60f0579f7d74e71e76ed3063 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Sat, 8 Sep 2012 20:00:33 -0700
Subject: [PATCH] Always use fullscreen on iOS

---
 screenlib/SDL_FrameBuf.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/screenlib/SDL_FrameBuf.cpp b/screenlib/SDL_FrameBuf.cpp
index bcccb04e..6e8d3bad 100644
--- a/screenlib/SDL_FrameBuf.cpp
+++ b/screenlib/SDL_FrameBuf.cpp
@@ -49,6 +49,9 @@ FrameBuf:: Init(int width, int height, Uint32 window_flags, Uint32 render_flags,
 
 #ifdef FAST_ITERATION
 	window_flags &= ~SDL_WINDOW_FULLSCREEN;
+#endif
+#ifdef __IPHONEOS__
+	window_flags |= SDL_WINDOW_FULLSCREEN;
 #endif
 	window = SDL_CreateWindow(NULL, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, width, height, window_flags);
 	if (!window) {