vis: patch shebang to use system bash

(cherry picked from commit 0203a6281cbaff4ea8ab29578f626c48e3e3cf70)

pkgs/applications/editors/vis/default.nix

···
     libselinux
   ];
 
+  postPatch = ''
+    patchShebangs ./configure
+  '';
+
   LUA_CPATH="${lpeg}/lib/lua/${lua.luaversion}/?.so;";
   LUA_PATH="${lpeg}/share/lua/${lua.luaversion}/?.lua";