graphics/vulkan-tools: unbreak with -DNDEBUG after 7c313a5d

cube/cube.c:3122:14: error: variable 'result' set but not used [-Werror,-Wunused-but-set-variable]
    VkResult result;
             ^

PR:		266842
Reported by:	diizzy, antoine (via exp-run)

graphics/vulkan-tools/Makefile

@@ -3,6 +3,9 @@ DISTVERSIONPREFIX=	v
 DISTVERSION=	1.3.230
 CATEGORIES=	graphics wayland
 
+PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
+PATCHFILES+=	be9ec70fcbb1.patch:-p1 # https://github.com/KhronosGroup/Vulkan-Tools/pull/687
+
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Tools and demos for the Vulkan graphics API
 WWW=		https://github.com/KhronosGroup/Vulkan-Tools

graphics/vulkan-tools/distinfo

 TIMESTAMP = 1664480526
 SHA256 (KhronosGroup-Vulkan-Tools-v1.3.230_GH0.tar.gz) = 5bb190d20ee8ae4e8dd157b686bd2d3162dc3a814b3d0625d90b1d84dd177dbb
 SIZE (KhronosGroup-Vulkan-Tools-v1.3.230_GH0.tar.gz) = 876436
+SHA256 (be9ec70fcbb1.patch) = c18bca976ddfa7481712bd473ecd2b1c6250fa287211f98a36f4c0b4a5c2e837
+SIZE (be9ec70fcbb1.patch) = 1051