focuswriter: 1.6.11 -> 1.6.12

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

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

These checks were done:

- built on NixOS
- Warning: no binary found that responded to help or version flags. (This warning appears even if the package isn't expected to have binaries.)
- found 1.6.12 with grep in /nix/store/5vxpci5k243yxhrks31rfgmdvcmw01cz-focuswriter-1.6.12
- directory tree listing: https://gist.github.com/fe69e568c10ec79e4eaa27180b24e4c0

pkgs/applications/editors/focuswriter/default.nix

@@ -2,11 +2,11 @@
 
 stdenv.mkDerivation rec {
   name = "focuswriter-${version}";
-  version = "1.6.11";
+  version = "1.6.12";
 
   src = fetchurl {
     url = "https://gottcode.org/focuswriter/focuswriter-${version}-src.tar.bz2";
-    sha256 = "0izbsm2vx24pnd92gf7ky8x47g324a8d16hy1s8kk3x1inxd80z1";
+    sha256 = "0vcr9dhfsdls2x493klv7w5kn08iqqfg2jwjcbz274mcnd07bpqj";
   };
 
   nativeBuildInputs = [ pkgconfig qmake qttools ];