[GRASS-git] [OSGeo/grass-addons] 8f4347: r.prominence: update from GRASS GIS 6 version (#574)

[Markus Neteler]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass-addons
  Commit: 8f43471d006c30d4bbac49973c28572d3cad8ec9
      https://github.com/OSGeo/grass-addons/commit/8f43471d006c30d4bbac49973c28572d3cad8ec9
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2023-01-30 (Mon, 30 Jan 2023)

  Changed paths:
    A grass7/raster/r.prominence/Makefile
    A grass7/raster/r.prominence/main.c
    A grass7/raster/r.prominence/r.prominence.html

  Log Message:
  -----------
  r.prominence: update from GRASS GIS 6 version (#574)

* r.prominence: update from GRASS GIS 6 version

- updates https://github.com/OSGeo/grass-addons/tree/grass6/src/raster/r.prominence to GRASS GIS 7/8
- updates example to North Carolina sample data set
- shallow testing done, using the new example

Note: r.prominence appears to run very slowly, perhaps there is potential to optimize that

* cleanup leftover

* fix confusing error message