patch 8.0.1419: cursor column is not updated after ]s

Problem:    Cursor column is not updated after ]s. (Gary Johnson)
Solution:   Set the curswant flag.
diff --git a/src/evalfunc.c b/src/evalfunc.c
index 7f78a9d..764a4db 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -11173,7 +11173,10 @@
 	/* Find the start and length of the badly spelled word. */
 	len = spell_move_to(curwin, FORWARD, TRUE, TRUE, &attr);
 	if (len != 0)
+	{
 	    word = ml_get_cursor();
+	    curwin->w_set_curswant = TRUE;
+	}
     }
     else if (curwin->w_p_spell && *curbuf->b_s.b_p_spl != NUL)
     {