gzdoom: fix sdl version check

srcpkgs/gzdoom/patches/sdl-version.patch

@@ -0,0 +1,24 @@
+From 2c69afa1187f55c2634c67c3ece47d89fd1b4f67 Mon Sep 17 00:00:00 2001
+From: Christoph Oelckers <coelckers@users.noreply.github.com>
+Date: Tue, 31 May 2022 11:00:10 +0200
+Subject: [PATCH] - fixed SDL version check
+
+---
+ src/common/platform/posix/sdl/sdlglvideo.cpp | 4 +---
+ 1 file changed, 1 insertion(+), 3 deletions(-)
+
+diff --git a/src/common/platform/posix/sdl/sdlglvideo.cpp b/src/common/platform/posix/sdl/sdlglvideo.cpp
+index a5f7e6b527e..335dc620657 100644
+--- a/src/common/platform/posix/sdl/sdlglvideo.cpp
++++ b/src/common/platform/posix/sdl/sdlglvideo.cpp
+@@ -394,9 +394,7 @@ SDLVideo::SDLVideo ()
+ 	}
+ 
+ 	// Fail gracefully if we somehow reach here after linking against a SDL2 library older than 2.0.6.
+-	SDL_version sdlver;
+-	SDL_GetVersion(&sdlver);
+-	if (!(sdlver.patch >= 6))
++	if (!SDL_VERSION_ATLEAST(2, 0, 6))
+ 	{
+ 		I_FatalError("Only SDL 2.0.6 or later is supported.");
+ 	}

srcpkgs/gzdoom/template

@@ -1,7 +1,7 @@
 # Template file for 'gzdoom'
 pkgname=gzdoom
 version=4.7.1
-revision=1
+revision=2
 _tagdate=2021-10-20
 wrksrc="${pkgname}-g${version}"
 build_style=cmake