updated for version 7.3.305

Problem:    Auto-loading a function while editing the command line causes
            scrolling up the display.
Solution:   Don't set msg_scroll when defining a function and the user is not
            typing. (Yasuhiro Matsumoto)

src/eval.c

@@ -20786,7 +20786,8 @@ ex_function(eap)
     nesting = 0;
     for (;;)
     {
-	msg_scroll = TRUE;
+	if (KeyTyped)
+	    msg_scroll = TRUE;
 	need_wait_return = FALSE;
 	sourcing_lnum_off = sourcing_lnum;