commit https://github.com/vim/vim/commit/aad30bbcde2b268e2fffb6fd1443f27ebda9d1ff Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 26 17:31:03 2016 +0200 patch 7.4.1959 Problem: Crash when running test_channel.vim on Windows. Solution: Check for NULL pointer result from FormatMessage(). (Christian Brabandt)

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