patch 8.0.1676: no compiler warning for wrong printf format commit https://github.com/vim/vim/commit/4ac2e8d8e60dcc7dbff662e177b86ccfbda7cd9e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 8 12:38:26 2018 +0200 patch 8.0.1676: no compiler warning for wrong printf format Problem: No compiler warning for wrong printf format. Solution: Add a printf attribute for gcc. Fix reported problems. (Dominique Pelle, closes #2789)