urn: 0.7.1 -> 0.7.2

pkgs/development/compilers/urn/default.nix

···
 }:
 
 let
-  version = "0.7.1";
+  version = "0.7.2";
   # Build a sort of "union package" with all the native dependencies we
   # have: Lua (or LuaJIT), readline, etc. Then, we can depend on this
   # and refer to ${urn-rt} instead of ${lua}, ${readline}, etc.
···
     owner = "urn";
     repo = "urn";
     rev = "v${version}";
-    sha256 = "1vw0sljrczbwl7fl5d3frbpklb0larzyp7s7mwwprkb07b027sd5";
+    sha256 = "0nclr3d8ap0y5cg36i7g4ggdqci6m5q27y9f26b57km8p266kcpy";
   };
 
   buildInputs = [ makeWrapper ];