[mapserver-commits] [MapServer/MapServer] 929207: loadGrid(): fix memleak on LABELFORMAT DD

[Even Rouault]

  Branch: refs/heads/backport-6741-to-branch-8-0
  Home:   https://github.com/MapServer/MapServer
  Commit: 9292072951eb7b07e1218734b9ea9dd6b83a77ef
      https://github.com/MapServer/MapServer/commit/9292072951eb7b07e1218734b9ea9dd6b83a77ef
  Author: Even Rouault <even.rouault at spatialys.com>
  Date:   2022-10-23 (Sun, 23 Oct 2022)

  Changed paths:
    M mapfile.c

  Log Message:
  -----------
  loadGrid(): fix memleak on LABELFORMAT DD

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52670