[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] 47390d: Update libpng to 1.6.34 for windows

[GitHub]

  Branch: refs/heads/Cog
  Home:   https://github.com/OpenSmalltalk/opensmalltalk-vm
  Commit: 47390dc0e138c430b1e3db383dd2df736ea0b3f6
      https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/47390dc0e138c430b1e3db383dd2df736ea0b3f6
  Author: Nicolas Cellier <nicolas.cellier.aka.nice at gmail.com>
  Date:   2017-10-10 (Tue, 10 Oct 2017)

  Changed paths:
    M third-party/libpng.spec.win

  Log Message:
  -----------
  Update libpng to 1.6.34 for windows