ping: add throw

pkgs/top-level/aliases.nix

@@ -987,6 +987,7 @@ mapAliases ({
   pidginsipe = throw "'pidginsipe' has been renamed to/replaced by 'pidgin-sipe'"; # Converted to throw 2022-02-22
   pidginwindowmerge = throw "'pidginwindowmerge' has been renamed to/replaced by 'pidgin-window-merge'"; # Converted to throw 2022-02-22
   pifi = throw "pifi has been removed from nixpkgs, as it is no longer developed"; # Added 2022-01-19
+  ping = throw "'ping' does not build with recent valac and has been removed. If you are just looking for the 'ping' command use either 'iputils' or 'inetutils'"; # Added 2022-04-18
   piwik = throw "'piwik' has been renamed to/replaced by 'matomo'"; # Converted to throw 2022-02-22
   pkgconfig = pkg-config; # Added 2018-02-02, moved to aliases.nix 2021-01-18
   pkgconfigUpstream = throw "'pkgconfigUpstream' has been renamed to/replaced by 'pkg-configUpstream'"; # Converted to throw 2022-02-22