closurecompiler: 20180402 -> 20180506

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/qh5lv1f6c84mvndiivba30y3n3whw82j-closure-compiler-20180506/bin/closure-compiler --help’ got 0 exit code
- found 20180506 with grep in /nix/store/qh5lv1f6c84mvndiivba30y3n3whw82j-closure-compiler-20180506
- directory tree listing: https://gist.github.com/9013b4a27653c964fee876223f0b579b

pkgs/development/compilers/closure/default.nix

@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "closure-compiler-${version}";
-  version = "20180402";
+  version = "20180506";
 
   src = fetchurl {
     url = "https://dl.google.com/closure-compiler/compiler-${version}.tar.gz";
-    sha256 = "1xbr2wvppzhq189z9m70zqry2a3hh6cdydwbc1jm2z7imsg1i6c1";
+    sha256 = "10w9vs61fs14k8g3wlng0ifj0knfm0xfc4rsnd2c75464hkdxvr9";
   };
 
   sourceRoot = ".";