getdp: 3.3.0 -> 3.4.0

(#150127)

pkgs/applications/science/math/getdp/default.nix

···
 
 stdenv.mkDerivation rec {
   pname = "getdp";
-  version = "3.3.0";
+  version = "3.4.0";
   src = fetchurl {
     url = "http://getdp.info/src/getdp-${version}-source.tgz";
-    sha256 = "1pfviy2bw8z5y6c15czvlvyjjg9pvpgrj9fr54xfi2gmvs7zkgpf";
+    sha256 = "sha256-d5YxJgtMf94PD6EHvIXpPBFPKC+skI/2v1K5Sad51hA=";
   };
 
   inherit (petsc) mpiSupport;