[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] 2a7b21: Fix a typo [ci skip]

[Eliot Miranda]

  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 2a7b21ed75701388b1689c48636d09777ef582e2
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/2a7b21ed75701388b1689c48636d09777ef582e2
  Author: Eliot Miranda <eliot.miranda at gmail.com>
  Date:   2020-08-10 (Mon, 10 Aug 2020)

  Changed paths:
    M build.macos32x86/common/Makefile.vm
    M build.macos64ARMv8/common/Makefile.vm
    M build.macos64x64/common/Makefile.vm

  Log Message:
  -----------
  Fix a typo [ci skip]