Added refresh() to dialog_clear so that it actually

clears the screen.
Reviewed by:
Submitted by:
Obtained from:

gnu/lib/libdialog/kernel.c

@@ -321,6 +321,7 @@ void dialog_clear(void)
 {
     attr_clear(stdscr, LINES, COLS, screen_attr);
     touchwin(stdscr);
+    refresh();
 }
 
 void dialog_update(void)