patch 8.2.0155: warnings from MinGW compiler; tests fail without +float Commit: https://github.com/vim/vim/commit/a5d5953d59730d9bf9c00a727c4aeb56f6ffc944 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 26 21:42:03 2020 +0100 patch 8.2.0155: warnings from MinGW compiler; tests fail without +float Problem: Warnings from MinGW compiler. (John Marriott) Json test fails when building without +float feature. Solution: Init variables. Fix Json parsing. Skip a few tests that require the +float feature.