Added SDL_system.h for the declaration of SDL_iPhoneSetAnimationCallback() and SDL_iPhoneSetEventPump()
diff --git a/src/video/uikit/SDL_uikitevents.m b/src/video/uikit/SDL_uikitevents.m
index b7ef0bf..286db8f 100644
--- a/src/video/uikit/SDL_uikitevents.m
+++ b/src/video/uikit/SDL_uikitevents.m
@@ -24,6 +24,7 @@
#include "../../events/SDL_events_c.h"
+#include "SDL_system.h"
#include "SDL_uikitevents.h"
#include "SDL_uikitopengles.h"
#include "SDL_uikitvideo.h"
diff --git a/src/video/uikit/SDL_uikitwindow.m b/src/video/uikit/SDL_uikitwindow.m
index d68e6e7..b095c5d 100644
--- a/src/video/uikit/SDL_uikitwindow.m
+++ b/src/video/uikit/SDL_uikitwindow.m
@@ -22,10 +22,11 @@
#if SDL_VIDEO_DRIVER_UIKIT
+#include "SDL_hints.h"
+#include "SDL_mouse.h"
+#include "SDL_system.h"
#include "SDL_syswm.h"
#include "SDL_video.h"
-#include "SDL_mouse.h"
-#include "SDL_hints.h"
#include "../SDL_sysvideo.h"
#include "../SDL_pixels_c.h"
#include "../../events/SDL_events_c.h"