ngspice: 33 -> 34

pkgs/applications/science/electronics/ngspice/default.nix

···
 
 stdenv.mkDerivation rec {
   pname = "ngspice";
-  version = "33";
+  version = "34";
 
   src = fetchurl {
     url = "mirror://sourceforge/ngspice/ngspice-${version}.tar.gz";
-    sha256 = "1wa1hmpn13spmxqgbb1m7vgy32mwvjqwrxhymzll8z65q5nbd7dr";
+    sha256 = "sha256-ImP//GaUdUlyr3By7wHP5irHkIANrWUbwpC/yueb17U=";
   };
 
   nativeBuildInputs = [ flex bison ];