folly: 2018.06.11.00 -> 2018.06.18.00

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

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

These checks were done:

- built on NixOS

- 0 of 0 passed binary check by having a zero exit code.
- 0 of 0 passed binary check by having the new version present in output.
- found 2018.06.18.00 with grep in /nix/store/cbijzsfm1ik0hmblhsg9q8krwq0gs69r-folly-2018.06.18.00
- directory tree listing: https://gist.github.com/d36711520cd03c3b19d6a9f3bc3dc523
- du listing: https://gist.github.com/d83b87211ca6b6a6a538eccba6783c66

pkgs/development/libraries/folly/default.nix

@@ -3,13 +3,13 @@
 
 stdenv.mkDerivation rec {
   name = "folly-${version}";
-  version = "2018.06.11.00";
+  version = "2018.06.18.00";
 
   src = fetchFromGitHub {
     owner = "facebook";
     repo = "folly";
     rev = "v${version}";
-    sha256 = "005p2i36vxy2nppxqhdd4a5x58yx7zljb2diyqb820jygz2hfz8a";
+    sha256 = "0698wazz99wzfbz29jgkl4rlakypg3v2cnsjg9a0yq83a4y038p7";
   };
 
   nativeBuildInputs = [ autoreconfHook python pkgconfig ];