[GRASS-git] [OSGeo/grass] abe194: libraster: fix Rast_legal_bandref() (#1796)

[Markus Metz]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: abe194dce78adf5f63885a6a09c452fc7ae4f735
      https://github.com/OSGeo/grass/commit/abe194dce78adf5f63885a6a09c452fc7ae4f735
  Author: Markus Metz <33666869+metzm at users.noreply.github.com>
  Date:   2021-08-17 (Tue, 17 Aug 2021)

  Changed paths:
    M lib/raster/raster_metadata.c
    M lib/raster/testsuite/test_raster_metadata.py

  Log Message:
  -----------
  libraster: fix Rast_legal_bandref() (#1796)

relax Rast_legal_bandref(), adjust tests for band names