[AD] Fix for _handle_timer_tick

[Michael Bukin <M.A.Bukin@xxxxxxxxxx>]

I noticed that install_param_int does not work in all3926.

--- old/allegro/src/timer.c	Sun Oct  3 17:03:52 1999
+++ new/allegro/src/timer.c	Sun Nov 21 13:58:10 1999
@@ -74,7 +74,8 @@
 
    /* process the user callbacks */
    for (i=0; i<MAX_TIMERS; i++) { 
-      if ((_timer_queue[i].proc) && (_timer_queue[i].speed > 0)) {
+      if (((_timer_queue[i].proc) || (_timer_queue[i].param_proc)) &&
+	  (_timer_queue[i].speed > 0)) {
 	 _timer_queue[i].counter -= d;
 
 	 while ((_timer_queue[i].counter <= 0) && 

-- 
Michael Bukin