Fix 100% CPU utilization (runtime tested on FreeBSD 11.0, i386)

Bump PORTREVISION

PR:		211791
Submitted by:	<steven@freebsd-bugzilla.sdwmail.homeunix.org>
MFH:		2016Q4

games/xmris/Makefile

@@ -3,7 +3,7 @@
 
 PORTNAME=	xmris
 PORTVERSION=	4.04
-PORTREVISION=	4
+PORTREVISION=	5
 CATEGORIES=	games
 MASTER_SITES=	XCONTRIB/games
 DISTNAME=	${PORTNAME}.${PORTVERSION}

games/xmris/files/patch-timer.c

@@ -9,3 +9,14 @@
  #else
  #  ifdef __hpux /* hpux is a weird mixture of BSD & SYSV */
  /* don't know if this is right */
+@@ -572,7 +572,10 @@ extern VOIDFUNC timer_wait FUNCARGVOID
+       else
+ 	{
+ 	  while(!tickafter(now, timer.timeout))
++	  {
++	    usleep(tickdelta(timer.timeout, now) * TICKTIME);
+ 	    gettick(&now);
++	  }
+ 	  timer.timeout = tickadd(timer.timeout, timer.delay);
+ 	  point = -1;
+ 	}