SDL: Fixed platform define condition for Windows phone

SDL Commits
1

https://github.com/libsdl-org/SDL/commit/0176a19aeec69b13f04479e5fcf8abea72b89345

From 0176a19aeec69b13f04479e5fcf8abea72b89345 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Tue, 7 Jan 2025 08:47:13 -0800
Subject: [PATCH] Fixed platform define condition for Windows phone

Fixes https://github.com/libsdl-org/SDL/issues/11876
---
 include/SDL3/SDL_platform_defines.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/SDL3/SDL_platform_defines.h b/include/SDL3/SDL_platform_defines.h
index 680fb7b7af0db..59710a5eaa07d 100644
--- a/include/SDL3/SDL_platform_defines.h
+++ b/include/SDL3/SDL_platform_defines.h
@@ -366,7 +366,7 @@
  */
 #define SDL_WINAPI_FAMILY_PHONE (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
 
-#elif HAVE_WINAPIFAMILY_H && HAVE_WINAPIFAMILY_H
+#elif defined(HAVE_WINAPIFAMILY_H) && HAVE_WINAPIFAMILY_H
     #define SDL_WINAPI_FAMILY_PHONE (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
 #else
     #define SDL_WINAPI_FAMILY_PHONE 0