[Bug 215427] [patch] games/acm coredumps immediately on start

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215427

--- Comment #1 from commit-hook at freebsd.org ---
A commit references this bug:

Author: jbeich
Date: Fri May 12 22:33:55 UTC 2017
New revision: 440736
URL: https://svnweb.freebsd.org/changeset/ports/440736

Log:
  games/acm: prevent free()ing unitialized data

  acm may coredump immediately after starting on systems which do not
  zero malloc()ed memory e.g., MALLOC_CONF=junk:true. This is because
  one of the fields of a malloc()ed data structure (w) contains a
  pointer (w->csPool2), and if that pointer is never used, then later
  code will find the pointer is non-NULL and try to free() the memory
  pointed to by the pointer.

  PR:           215427
  Submitted by: Jeff Gibbons <jgibbons at protogate.com>

Changes:
  head/games/acm/Makefile
  head/games/acm/files/patch-V_lib_InitAWin.c

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