sdl12-compat: OS_GetExeName(_WIN32): explicitly use GetModuleFileNameA

SDL Commits
1 
From e5e378a8b6c60c63b13ffbc10414c1ac2ac47c5a Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sat, 19 Mar 2022 03:29:24 +0300
Subject: [PATCH] OS_GetExeName(_WIN32): explicitly use GetModuleFileNameA

just in case someone tries to be cute...
---
 src/SDL12_compat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SDL12_compat.c b/src/SDL12_compat.c
index 5d76dc1..114313b 100644
--- a/src/SDL12_compat.c
+++ b/src/SDL12_compat.c
@@ -1178,7 +1178,7 @@ static void OS_GetExeName(char *buf, const unsigned maxpath) {
 #elif defined(_WIN32)
 static void OS_GetExeName(char *buf, const unsigned maxpath) {
     buf[0] = '\0';
-    GetModuleFileName(NULL, buf, maxpath);
+    GetModuleFileNameA(NULL, buf, maxpath);
 }
 #elif defined(__OS2__)
 static void OS_GetExeName(char *buf, const unsigned maxpath) {