FvwmPager: Update current desk correctly during init.

When FvwmPager is tracking the current desk and is run on any desk
except desk 0, the current desk isn't updated during initialization
because the monitor update is sent before the desk update, so the
pager didn't realize the desk has changed.

This ensures that the pager updates the current desk if either
the desk changes or the new desk is not the same as the current
desk to also catch updates during pager initialization.

Fixes #1122

modules/FvwmPager/messages.c

@@ -422,7 +422,9 @@ void process_new_desk(unsigned long *body)
 	 */
 	oldDesk = fp->m->virtual_scr.CurrentDesk;
 	newDesk = fp->m->virtual_scr.CurrentDesk = (long)body[0];
-	if (newDesk >= desk1 && newDesk <= desk2)
+	if (fAlwaysCurrentDesk)
+		Desks[0].fp = fp;
+	else if (newDesk >= desk1 && newDesk <= desk2)
 		Desks[newDesk - desk1].fp = fp;
 
 	/* Only update FvwmPager's desk for the monitors being tracked.
@@ -454,7 +456,7 @@ void process_new_desk(unsigned long *body)
 		monitor_assign_virtual(fp->m);
 
 	/* If always tracking current desk. Update Desks[0]. */
-	if (fAlwaysCurrentDesk && oldDesk != newDesk)
+	if (fAlwaysCurrentDesk && (oldDesk != newDesk || desk1 != newDesk))
 	{
 		PagerWindow *t;