[bootlin/training-materials] cf510f: yocto-recipe-basics: fix git fetcher doc

[Alexandre Belloni]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: cf510f83c264e36672688154417bf025de19ea54
      https://github.com/bootlin/training-materials/commit/cf510f83c264e36672688154417bf025de19ea54
  Author: Alexandre Belloni <alexandre.belloni at bootlin.com>
  Date:   2022-10-04 (Tue, 04 Oct 2022)

  Changed paths:
    M slides/yocto-recipe-basics/yocto-recipe-basics.tex

  Log Message:
  -----------
  yocto-recipe-basics: fix git fetcher doc

Signed-off-by: Alexandre Belloni <alexandre.belloni at bootlin.com>