closurecompiler: 20180319 -> 20180402

Semi-automatic update generated by https://github.com/ryantm/nixpkgs-update tools.

This update was made based on information from https://repology.org/metapackage/closure-compiler/versions.

These checks were done:

- built on NixOS
- ran ‘/nix/store/gvch7ph5qinav24mdlb48b3lk833aiaf-closure-compiler-20180402/bin/closure-compiler --help’ got 0 exit code
- found 20180402 with grep in /nix/store/gvch7ph5qinav24mdlb48b3lk833aiaf-closure-compiler-20180402
- directory tree listing: https://gist.github.com/2858ac6d2346b885778eb695553956a0

pkgs/development/compilers/closure/default.nix

@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "closure-compiler-${version}";
-  version = "20180319";
+  version = "20180402";
 
   src = fetchurl {
     url = "https://dl.google.com/closure-compiler/compiler-${version}.tar.gz";
-    sha256 = "181cskxamq9vkrmb2c78v6hpknrzzp49vkzp53r9pisf5j0p7220";
+    sha256 = "1xbr2wvppzhq189z9m70zqry2a3hh6cdydwbc1jm2z7imsg1i6c1";
   };
 
   sourceRoot = ".";