patch 7.4.2199
Problem:    In the GUI the cursor is hidden when redrawing any window,
            causing flicker.
Solution:   Only undraw the cursor when updating the window it's in.
diff --git a/src/gui.c b/src/gui.c
index 0d858ec..6f1d8f5 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -1964,12 +1964,13 @@
  * gui_can_update_cursor() afterwards.
  */
     void
-gui_dont_update_cursor(void)
+gui_dont_update_cursor(int undraw)
 {
     if (gui.in_use)
     {
 	/* Undraw the cursor now, we probably can't do it after the change. */
-	gui_undraw_cursor();
+	if (undraw)
+	    gui_undraw_cursor();
 	can_update_cursor = FALSE;
     }
 }