XXX fix some deadlinks

component/bzip2/buildout.cfg

@@ -4,7 +4,8 @@ parts =
 
 [bzip2]
 recipe = slapos.recipe.cmmi
-url = http://www.bzip.org/1.0.6/bzip2-1.0.6.tar.gz
+;url = http://www.bzip.org/1.0.6/bzip2-1.0.6.tar.gz
+url = https://fossies.org/linux/misc/bzip2-1.0.6.tar.gz
 md5sum = 00b516f4704d4a7cb50a1d97e6e8e15b
 configure-command = true
 make-options =

component/patch/buildout.cfg

@@ -6,7 +6,7 @@ parts =
 
 [patch]
 recipe = slapos.recipe.cmmi
-url = ftp://ftp.gnu.org/gnu/patch/patch-2.7.5.tar.xz
+url = http://ftp.gnu.org/gnu/patch/patch-2.7.5.tar.xz
 md5sum = e3da7940431633fb65a01b91d3b7a27a
 environment =
   PATH=${xz-utils:location}/bin:%(PATH)s

component/xz-utils/buildout.cfg

@@ -4,7 +4,8 @@ parts =
 
 [xz-utils]
 recipe = slapos.recipe.cmmi
-url = http://tukaani.org/xz/xz-5.2.2.tar.bz2
+;url = http://tukaani.org/xz/xz-5.2.2.tar.bz2
+url = http://sources.openelec.tv/mirror/xz/xz-5.2.2.tar.bz2
 md5sum = f90c9a0c8b259aee2234c4e0d7fd70af
 configure-options =
   --disable-static

component/zlib/buildout.cfg

@@ -4,5 +4,6 @@ parts =
 
 [zlib]
 recipe = slapos.recipe.cmmi
-url = http://downloads.sourceforge.net/project/libpng/zlib/1.2.11/zlib-1.2.11.tar.gz
+#url = http://downloads.sourceforge.net/project/libpng/zlib/1.2.11/zlib-1.2.11.tar.gz
+url = https://zlib.net/fossils/zlib-1.2.11.tar.gz
 md5sum = 1c9f62f0778697a09d36121ead88e08e