LibGfx: Enable Vulkan shared images and WebGL on FreeBSD

Author: cqundefine

Libraries/LibGfx/VulkanContext.h

@@ -12,9 +12,9 @@
 #    include <AK/NonnullRefPtr.h>
 #    include <AK/RefCounted.h>
 #    include <vulkan/vulkan.h>
-#    ifdef AK_OS_LINUX
+#    if defined(AK_OS_LINUX) || defined(AK_OS_FREEBSD)
 #        include <libdrm/drm_fourcc.h>
-// Sharable Vulkan images are currently only implemented on Linux
+// Sharable Vulkan images are currently only implemented on Linux and FreeBSD
 #        define USE_VULKAN_IMAGES 1
 #    endif