gsm: 1.0.17 -> 1.0.18

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

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

These checks were done:

- built on NixOS
- ran ‘/nix/store/99q2w40pn8n5mihvg5ar9jwlzafpp9gl-gsm-1.0.18/bin/toast -h’ got 0 exit code
- ran ‘/nix/store/99q2w40pn8n5mihvg5ar9jwlzafpp9gl-gsm-1.0.18/bin/toast help’ got 0 exit code
- ran ‘/nix/store/99q2w40pn8n5mihvg5ar9jwlzafpp9gl-gsm-1.0.18/bin/tcat -h’ got 0 exit code
- ran ‘/nix/store/99q2w40pn8n5mihvg5ar9jwlzafpp9gl-gsm-1.0.18/bin/tcat help’ got 0 exit code
- ran ‘/nix/store/99q2w40pn8n5mihvg5ar9jwlzafpp9gl-gsm-1.0.18/bin/untoast -h’ got 0 exit code
- ran ‘/nix/store/99q2w40pn8n5mihvg5ar9jwlzafpp9gl-gsm-1.0.18/bin/untoast help’ got 0 exit code
- found 1.0.18 with grep in /nix/store/99q2w40pn8n5mihvg5ar9jwlzafpp9gl-gsm-1.0.18
- directory tree listing: https://gist.github.com/af6b37d2f0a0b0757d66e91dce102967

pkgs/development/libraries/gsm/default.nix

···
 
 stdenv.mkDerivation rec {
   name = "gsm-${version}";
-  version = "1.0.17";
+  version = "1.0.18";
 
   src = fetchurl {
     url = "http://www.quut.com/gsm/${name}.tar.gz";
-    sha256 = "00bns0d4wwrvc60lj2w7wz4yk49q1f6rpdrwqzrxsha9d78mfnl5";
+    sha256 = "041amvpz8cvxykl3pwqldrzxligmmzcg8ncdnxbg32rlqf3q1xh4";
   };
 
   patchPhase = ''