[GRASS-git] [OSGeo/grass] 534e7b: doc: Fix link to startup script manual page (#1875)

[Veronica Andreo]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: 534e7bb9aa1eecdfbb95d7b648c46e1802caa354
      https://github.com/OSGeo/grass/commit/534e7bb9aa1eecdfbb95d7b648c46e1802caa354
  Author: Veronica Andreo <veroandreo at gmail.com>
  Date:   2021-10-02 (Sat, 02 Oct 2021)

  Changed paths:
    M man/build_html.py

  Log Message:
  -----------
  doc: Fix link to startup script manual page (#1875)

The filename no longer contains the major version.