diff --git a/src/os_mswin.c b/src/os_mswin.c
index ef75642..a41b4c8 100644
--- a/src/os_mswin.c
+++ b/src/os_mswin.c
@@ -1233,8 +1233,7 @@
 	    if (prt_name != NULL)
 	    {
 		vimSetDlgItemText(hDlg, IDC_PRINTTEXT2, (char_u *)prt_name);
-		vim_free(prt_name);
-		prt_name = NULL;
+		VIM_CLEAR(prt_name);
 	    }
 	    EnableMenuItem(GetSystemMenu(hDlg, FALSE), SC_CLOSE, MF_GRAYED);
 #ifndef FEAT_GUI
@@ -2608,6 +2607,7 @@
 	while (reply_received == 0)
 	{
 #ifdef FEAT_TIMERS
+	    /* TODO: use the return value to decide how long to wait. */
 	    check_due_timer();
 #endif
 	    time(&now);