SDL: main: Restore MINGW32_FORCEALIGN to SDL_RunApp on Windows.

SDL Commits
1 
From 7d5ec38953d86d1cd2df410f193384279e488a95 Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Sun, 23 Nov 2025 17:05:31 -0500
Subject: [PATCH] main: Restore MINGW32_FORCEALIGN to SDL_RunApp on Windows.

---
 src/main/windows/SDL_sysmain_runapp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/windows/SDL_sysmain_runapp.c b/src/main/windows/SDL_sysmain_runapp.c
index 7fac9538f671c..1bb80b4092eaf 100644
--- a/src/main/windows/SDL_sysmain_runapp.c
+++ b/src/main/windows/SDL_sysmain_runapp.c
@@ -41,7 +41,7 @@ static int ErrorProcessingCommandLine(void)
     return -1;
 }
 
-int SDL_RunApp(int caller_argc, char *caller_argv[], SDL_main_func mainFunction, void * reserved)
+int MINGW32_FORCEALIGN SDL_RunApp(int caller_argc, char *caller_argv[], SDL_main_func mainFunction, void * reserved)
 {
     int result;
     (void)reserved;