[bootlin/training-materials] 612353: Graphix slides: fix typo in Fourier transform formula

[Michael Opdenacker]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 612353b1a4cbd36b4c9247319edb5e7a85d7d539
      https://github.com/bootlin/training-materials/commit/612353b1a4cbd36b4c9247319edb5e7a85d7d539
  Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
  Date:   2022-05-16 (Mon, 16 May 2022)

  Changed paths:
    M slides/graphics-theory/graphics-theory.tex

  Log Message:
  -----------
  Graphix slides: fix typo in Fourier transform formula

Source: https://en.wikipedia.org/wiki/Fourier_transform

Reported-by: Bill Huffman <huffman at alum.mit.edu>
Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>