vim-patch:8.1.2235: "C" with 'virtualedit' set does not include multi-byte char

Problem:    "C" with 'virtualedit' set does not include multi-byte char.
Solution:   Include the whole multi-byte char. (Nobuhiro Takasaki,
            closes vim/vim#5152)
77ccc00340

src/nvim/ops.c

@@ -1562,6 +1562,7 @@ int op_delete(oparg_T *oap)
         oap->end = curwin->w_cursor;
         curwin->w_cursor = oap->start;
       }
+      mb_adjust_opend(oap);
     }
 
     if (oap->line_count == 1) {         /* delete characters within one line */