[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] f2b5cf: Fix bad path manipulation in macOS VM

[GitHub]

  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: f2b5cf27f81e50c65537972a89ddee9e0aac39c2
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/f2b5cf27f81e50c65537972a89ddee9e0aac39c2
  Author: Fabio Niephaus <code at fniephaus.com>
  Date:   2016-09-01 (Thu, 01 Sep 2016)

  Changed paths:
    M platforms/iOS/vm/OSX/sqMacUnixExternalPrims.m

  Log Message:
  -----------
  Fix bad path manipulation in macOS VM

We should have been using `stringByAppendingPathComponent:`, not
`stringByAppendingPathExtension`. This didn't matter until Sierra, where
they improved/increased error checking.

@bpollack #39