[mapserver-commits] [MapServer/MapServer] adcdac: loadProjection(): fix memleak in error code path

[Even Rouault]

  Branch: refs/heads/backport-6726-to-branch-8-0
  Home:   https://github.com/MapServer/MapServer
  Commit: adcdac83674c4e0299c5691326d7b0cd4c8d9304
      https://github.com/MapServer/MapServer/commit/adcdac83674c4e0299c5691326d7b0cd4c8d9304
  Author: Even Rouault <even.rouault at spatialys.com>
  Date:   2022-10-16 (Sun, 16 Oct 2022)

  Changed paths:
    M mapfile.c

  Log Message:
  -----------
  loadProjection(): fix memleak in error code path

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52472