patch 8.0.1843: entry for 'wrap' in options window is wrong

Problem:    Entry for 'wrap' in options window is wrong. (John Little)
Solution:   Make the change apply locally.

runtime/optwin.vim

@@ -1,7 +1,7 @@
" These commands create the option window.
"
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2018 Apr 18
" Last Change:	2018 May 15

" If there already is an option window, jump to that one.
let buf = bufnr('option-window')
@@ -325,7 +325,8 @@ call <SID>OptionL("scr")
call append("$", "scrolloff\tnumber of screen lines to show around the cursor")
call append("$", " \tset so=" . &so)
call append("$", "wrap\tlong lines wrap")
call <SID>BinOptionG("wrap", &wrap)
call append("$", "\t(local to window)")
call <SID>BinOptionL("wrap")
call append("$", "linebreak\twrap long lines at a character in 'breakat'")
call append("$", "\t(local to window)")
call <SID>BinOptionL("lbr")

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =

static int included_patches[] =
{   /* Add new patch number below this line */
/**/
    1843,
/**/
    1842,
/**/