Fix calculation of buffer width when signcolumn is enabled#52

jclsn wants to merge 1 commit intovim-utils:mastervim-utils/vim-man:masterfrom

jclsn:fix/issue-51-last-character-of-line-is-wrappedjclsn/vim-man:fix/issue-51-last-character-of-line-is-wrappedCopy head branch name to clipboard