[mapserver-commits] [MapServer/MapServer] 8a6f06: loadLayer(): fix memory leak in error code path

[Even Rouault]

  Branch: refs/heads/backport-6744-to-branch-7-6
  Home:   https://github.com/MapServer/MapServer
  Commit: 8a6f06720082aecf3111577a16c986ab0fd9973b
      https://github.com/MapServer/MapServer/commit/8a6f06720082aecf3111577a16c986ab0fd9973b
  Author: Even Rouault <even.rouault at spatialys.com>
  Date:   2022-10-31 (Mon, 31 Oct 2022)

  Changed paths:
    M mapfile.c

  Log Message:
  -----------
  loadLayer(): fix memory leak in error code path

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52702