change xzutils.rb to not create static libraries

increment version number since configuration options are changed
add check method

packages/xzutils.rb

 require 'package'
 
 class Xzutils < Package
-  version '5.2.3' 
-  source_url 'http://tukaani.org/xz/xz-5.2.3.tar.gz' 
-  source_sha1 '529638eec3597e429cc54c74551ac0a89169e841' 
+  version '5.2.3-1'
+  source_url 'http://tukaani.org/xz/xz-5.2.3.tar.gz'
+  source_sha1 '529638eec3597e429cc54c74551ac0a89169e841'
 
   def self.build
-    system "./configure",
-      "--prefix=/usr/local",
-      "--disable-docs"
+    system "./configure", "--prefix=/usr/local", "--disable-docs", "--enable-shared", "--disable-static", "--with-pic"
     system "make"
   end
 
   def self.install
     system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
   end
+
+  def self.check
+    system "make", "check"
+  end
 end