SDL: Fixed build warning on Xcode 14.3

SDL Commits
1 
From 2bf6a7c6af2baedf929bf7252735173c289a2104 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Wed, 24 May 2023 18:37:42 -0700
Subject: [PATCH] Fixed build warning on Xcode 14.3

---
 src/audio/coreaudio/SDL_coreaudio.m | 4 ++--
 src/video/uikit/SDL_uikitevents.m   | 2 +-
 src/video/uikit/SDL_uikitmodes.m    | 2 +-
 src/video/uikit/SDL_uikitvideo.m    | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/audio/coreaudio/SDL_coreaudio.m b/src/audio/coreaudio/SDL_coreaudio.m
index f740961ee111..1628c2c49f24 100644
--- a/src/audio/coreaudio/SDL_coreaudio.m
+++ b/src/audio/coreaudio/SDL_coreaudio.m
@@ -291,7 +291,7 @@ static OSStatus device_list_changed(AudioObjectID systemObj, UInt32 num_addr, co
 
 static BOOL session_active = NO;
 
-static void pause_audio_devices()
+static void pause_audio_devices(void)
 {
     int i;
 
@@ -307,7 +307,7 @@ static void pause_audio_devices()
     }
 }
 
-static void resume_audio_devices()
+static void resume_audio_devices(void)
 {
     int i;
 
diff --git a/src/video/uikit/SDL_uikitevents.m b/src/video/uikit/SDL_uikitevents.m
index 1c6fe13daf75..4bec9685a853 100644
--- a/src/video/uikit/SDL_uikitevents.m
+++ b/src/video/uikit/SDL_uikitevents.m
@@ -274,7 +274,7 @@ void SDL_QuitGCKeyboard(void)
 static id mouse_disconnect_observer = nil;
 static bool mouse_relative_mode = SDL_FALSE;
 
-static void UpdatePointerLock()
+static void UpdatePointerLock(void)
 {
     SDL_VideoDevice *_this = SDL_GetVideoDevice();
     SDL_Window *window;
diff --git a/src/video/uikit/SDL_uikitmodes.m b/src/video/uikit/SDL_uikitmodes.m
index 6d5ecd9ffb5e..220589d10b33 100644
--- a/src/video/uikit/SDL_uikitmodes.m
+++ b/src/video/uikit/SDL_uikitmodes.m
@@ -397,7 +397,7 @@ void UIKit_QuitModes(SDL_VideoDevice *_this)
 }
 
 #if !TARGET_OS_TV
-void SDL_OnApplicationDidChangeStatusBarOrientation()
+void SDL_OnApplicationDidChangeStatusBarOrientation(void)
 {
     BOOL isLandscape = UIInterfaceOrientationIsLandscape([UIApplication sharedApplication].statusBarOrientation);
     SDL_VideoDisplay *display = SDL_GetVideoDisplay(SDL_GetPrimaryDisplay());
diff --git a/src/video/uikit/SDL_uikitvideo.m b/src/video/uikit/SDL_uikitvideo.m
index 13e12e5da0ce..2eccb1bec0d9 100644
--- a/src/video/uikit/SDL_uikitvideo.m
+++ b/src/video/uikit/SDL_uikitvideo.m
@@ -234,7 +234,7 @@ CGRect UIKit_ComputeViewFrame(SDL_Window *window, UIScreen *screen)
     return frame;
 }
 
-void UIKit_ForceUpdateHomeIndicator()
+void UIKit_ForceUpdateHomeIndicator(void)
 {
 #if !TARGET_OS_TV
     /* Force the main SDL window to re-evaluate home indicator state */