Create libxcrnsaver.rb (#1869)

#1825
It should be the last xorg library !

packages/libxcrnsaver.rb

+require 'package'
+
+class Libxscrnsaver < Package
+  description 'X.org the X11 Screen Saver extension client library'
+  homepage 'http://www.x.org'
+  version '1.2.2'
+  source_url 'https://www.x.org/archive//individual/lib/libXScrnSaver-1.2.2.tar.gz'
+  source_sha256 'e12ba814d44f7b58534c0d8521e2d4574f7bf2787da405de4341c3b9f4cc8d96'
+
+  depends_on 'libx11'
+  depends_on 'libxext'
+  depends_on 'xextproto'
+  depends_on 'scrnsaverproto'
+  
+  def self.build
+    system "./configure --prefix=#{CREW_PREFIX} --libdir=#{CREW_LIB_PREFIX}"
+    system "make"
+  end
+
+  def self.install
+    system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+  end
+end