[GRASS-git] [OSGeo/grass] d5ed51: libdisplay: simplify cairo driver selection (#3357)

[Sharan Jamanani]

  Branch: refs/heads/main
  Home:   https://github.com/OSGeo/grass
  Commit: d5ed511759610467cc60c3b05f4ab1af8ae871ee
      https://github.com/OSGeo/grass/commit/d5ed511759610467cc60c3b05f4ab1af8ae871ee
  Author: Sharan Jamanani <54804304+Sharansrj567 at users.noreply.github.com>
  Date:   2024-01-22 (Mon, 22 Jan 2024)

  Changed paths:
    M lib/display/r_raster.c

  Log Message:
  -----------
  libdisplay: simplify cairo driver selection (#3357)

Addresses a Cppcheck "duplicateExpression" warning.