patch 9.0.0501: warning for using uninitialized value in mouse test Commit: https://github.com/vim/vim/commit/18ee0feb5dfbe51993dc715d24cf419ac92ebf92 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Sep 19 11:44:11 2022 +0100 patch 9.0.0501: warning for using uninitialized value in mouse test Problem: Warning for using uninitialized value in mouse test. Solution: Clear ScreenCols when allocating it. (Dominique Pell?)