SDL: Update DYNAPI SDL_WinRTRunApp() prototype which was wrong (see #6783)

SDL Commits
1 
From e5a470d0d36f8e84a8fd50b402cf71118f6ae4b7 Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Sat, 10 Dec 2022 17:54:16 +0100
Subject: [PATCH] Update DYNAPI SDL_WinRTRunApp() prototype which was wrong
 (see #6783)

---
 src/dynapi/SDL_dynapi_procs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dynapi/SDL_dynapi_procs.h b/src/dynapi/SDL_dynapi_procs.h
index ca1dcccbf7b6..18b681a99a56 100644
--- a/src/dynapi/SDL_dynapi_procs.h
+++ b/src/dynapi/SDL_dynapi_procs.h
@@ -588,7 +588,7 @@ SDL_DYNAPI_PROC(SDL_bool,SDL_DXGIGetOutputInfo,(int a, int *b, int *c),(a,b,c),r
 #endif
 SDL_DYNAPI_PROC(SDL_bool,SDL_RenderIsClipEnabled,(SDL_Renderer *a),(a),return)
 #ifdef __WINRT__
-SDL_DYNAPI_PROC(int,SDL_WinRTRunApp,(int a, char **b, void *c),(a,b,c),return)
+SDL_DYNAPI_PROC(int,SDL_WinRTRunApp,(SDL_main_func a, void *b),(a,b),return)
 SDL_DYNAPI_PROC(const wchar_t*,SDL_WinRTGetFSPathUNICODE,(SDL_WinRT_Path a),(a),return)
 SDL_DYNAPI_PROC(const char*,SDL_WinRTGetFSPathUTF8,(SDL_WinRT_Path a),(a),return)
 #endif