vim-patch:8.2.3160: 'breakindent' does not work well for bulleted lists

Problem:    'breakindent' does not work well for bulleted and numbered lists.
Solution:   Add the "list" entry to 'breakindentopt'. (Christian Brabandt,
            closes vim/vim#8564, closes vim/vim#1661)
4a0b85ad01

src/nvim/buffer_defs.h

@@ -1395,6 +1395,7 @@ struct window_S {
   int w_briopt_min;                 // minimum width for breakindent
   int w_briopt_shift;               // additional shift for breakindent
   bool w_briopt_sbr;                // sbr in 'briopt'
+  int w_briopt_list;                // additional indent for lists
 
   // transform a pointer to a "onebuf" option into a "allbuf" option
 #define GLOBAL_WO(p)    ((char *)p + sizeof(winopt_T))