[mapserver-commits] [MapServer/MapServer] 59a0cb: msDBFOpenVirtualFile(): avoid integer overflow

[Even Rouault]

  Branch: refs/heads/backport-6706-to-branch-8-0
  Home:   https://github.com/MapServer/MapServer
  Commit: 59a0cbc5175cab6efd2e956a53120f95ff958b51
      https://github.com/MapServer/MapServer/commit/59a0cbc5175cab6efd2e956a53120f95ff958b51
  Author: Even Rouault <even.rouault at spatialys.com>
  Date:   2022-10-10 (Mon, 10 Oct 2022)

  Changed paths:
    M mapxbase.c

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

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=52283