[dovecot/core] ad5ece: lib: Compiler warning fix for 32bit systems

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/dovecot/core
  Commit: ad5ece2a07cca5fa033287f70bafdd312e2338a5
      https://github.com/dovecot/core/commit/ad5ece2a07cca5fa033287f70bafdd312e2338a5
  Author: Timo Sirainen <timo.sirainen at dovecot.fi>
  Date:   2016-12-17 (Sat, 17 Dec 2016)

  Changed paths:
    M src/lib/test-malloc-overflow.c

  Log Message:
  -----------
  lib: Compiler warning fix for 32bit systems