patch 8.0.0159: crash on startup when updating tabline commit https://github.com/vim/vim/commit/c695cec4698b41d7b9555efdd47dda9b1945d3ae Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 8 20:00:04 2017 +0100 patch 8.0.0159: crash on startup when updating tabline Problem: Using a NULL pointer when using feedkeys() to trigger drawing a tabline. Solution: Skip drawing a tabline if TabPageIdxs is NULL. (Dominique Pelle) Also fix recursing into getcmdline() from the cmd window.