vim-patch:8.2.3460: some type casts are not needed #15868

Problem:    Some type casts are not needed.
Solution:   Remove unnecessary type casts. (closes vim/vim#8934)
dfa5e464d4

src/nvim/move.c

@@ -794,7 +794,7 @@ void curs_columns(win_T *wp, int may_scroll)
       // column
       char_u *const sbr = get_showbreak_value(wp);
       if (*sbr && *get_cursor_pos_ptr() == NUL
-          && wp->w_wcol == (int)vim_strsize(sbr)) {
+          && wp->w_wcol == vim_strsize(sbr)) {
         wp->w_wcol = 0;
       }
     }