[mapserver-commits] [MapServer/MapServer] 22bcde: msSHPReadShape(): avoid integer overflow

[Even Rouault]

  Branch: refs/heads/backport-6689-to-branch-8-0
  Home:   https://github.com/MapServer/MapServer
  Commit: 22bcde33f0965c68eec72948c1514d0c65a8ddb7
      https://github.com/MapServer/MapServer/commit/22bcde33f0965c68eec72948c1514d0c65a8ddb7
  Author: Even Rouault <even.rouault at spatialys.com>
  Date:   2022-10-08 (Sat, 08 Oct 2022)

  Changed paths:
    M mapshape.c

  Log Message:
  -----------
  msSHPReadShape(): avoid integer overflow

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52209