patch 8.2.2689: tiny build fails

Problem:    Tiny build fails.
Solution:   Add #ifdef around use of p_stl.
diff --git a/src/ex_getln.c b/src/ex_getln.c
index 58cd6c3..b61761b 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -1707,6 +1707,7 @@
     if (did_emsg)
 	redrawcmd();
 
+#ifdef FEAT_STL_OPT
     // Redraw the statusline in case it uses the current mode using the mode()
     // function.
     if (!cmd_silent && msg_scrolled == 0 && *p_stl != NUL)
@@ -1714,6 +1715,7 @@
 	curwin->w_redr_status = TRUE;
 	redraw_statuslines();
     }
+#endif
 
     did_emsg = FALSE;
     got_int = FALSE;