Update libsdl2

packages/libsdl2.rb

@@ -2,13 +2,13 @@ require 'package'
 
 class Libsdl2 < Package
   description 'Simple DirectMedia Layer is a cross-platform development library designed to provide low level access to audio, keyboard, mouse, joystick, and graphics hardware via OpenGL and Direct3D.'
-  homepage 'http://www.libsdl.org/'
+  homepage 'http://www.libsdl.org'
   version '2.0.5'
   source_url 'https://www.libsdl.org/release/SDL2-2.0.5.tar.gz'
   source_sha256 '442038cf55965969f2ff06d976031813de643af9c9edc9e331bd761c242e8785'
 
   def self.build
-    system "./configure"
+    system "./configure --disable-video-x11 --disable-video-wayland"
     system "make"
   end