lensfun: update from 0.2.5 to 0.2.7

pkgs/development/libraries/lensfun/default.nix

@@ -1,11 +1,11 @@
 { stdenv, fetchurl, pkgconfig, python, glib, zlib, libpng }:
 
 stdenv.mkDerivation rec {
-  name = "lensfun-0.2.5";
+  name = "lensfun-0.2.7";
 
   src = fetchurl {
     url = "http://download.berlios.de/lensfun/${name}.tar.bz2";
-    sha256 = "11zvi3lk60iljync3a495h9la7makx6lf22fbvr4lwc933mrh562";
+    sha256 = "0xv4h219zn0ldhhjnjc1q2bgpbfqzpd4b31gf9yyrwbapm3hgprx";
   };
 
   patchPhase = "sed -e 's@/usr/bin/python@${python}/bin/python@' -i configure";