patch 9.0.0926: Coverity warns for not using return value of dict_add() Commit: https://github.com/vim/vim/commit/bc222152d8dea252aa5f1fa24b5536ed269feb92 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Nov 23 11:34:01 2022 +0000 patch 9.0.0926: Coverity warns for not using return value of dict_add() Problem: Coverity warns for not using return value of dict_add(). Solution: When dict_add() fails then don't call hash_remove().