SDL: testffmpeg: use Uint64 instead of __u64

From f8c2ec546212ca1992d8b816970e9ce4945c707c Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Fri, 15 Mar 2024 21:21:35 +0100
Subject: [PATCH] testffmpeg: use Uint64 instead of __u64

---
 test/testffmpeg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/testffmpeg.c b/test/testffmpeg.c
index 190a7e2628270..ebd16c7321248 100644
--- a/test/testffmpeg.c
+++ b/test/testffmpeg.c
@@ -56,7 +56,7 @@
 	(fourcc_mod_get_vendor(modifier) == DRM_FORMAT_MOD_VENDOR_## vendor)
 
 #define fourcc_mod_code(vendor, val) \
-	((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | ((val) & 0x00ffffffffffffffULL))
+	((((Uint64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | ((val) & 0x00ffffffffffffffULL))
 
 #define DRM_FORMAT_MOD_INVALID  fourcc_mod_code(NONE, DRM_FORMAT_RESERVED)
 #define DRM_FORMAT_MOD_LINEAR   fourcc_mod_code(NONE, 0)