[PATCH] benchmarks/rawio has a bug in commandline option parser

run rawio with -s option(size of raw disk device), as follows:
	    % rawio -a -s 30029328k -v 1 /dev/ad4c
	returned:
	    Invalid length specification: -v

	in source rawio.c, it skips parsing argument at one point.

PR:		ports/58567
Submitted by:	OOTOMO Hiroyuki <ootomo@za.wakwak.com>
Approved by:	maintainer timeout

benchmarks/rawio/Makefile

@@ -8,6 +8,7 @@
 
 PORTNAME=	rawio
 PORTVERSION=	1.2
+PORTREVISION=	1
 CATEGORIES=	benchmarks
 MASTER_SITES=	ftp://ftp.lemis.com/pub/
 

benchmarks/rawio/files/patch-ad

@@ -1,6 +1,15 @@
---- rawio.c~	Fri Mar 29 16:52:17 2002
-+++ rawio.c	Fri Mar 29 16:53:49 2002
-@@ -358,7 +358,11 @@
+--- rawio.c.orig	Sun Nov 26 19:28:19 2000
++++ rawio.c	Fri Jan  9 23:53:28 2004
+@@ -423,7 +423,7 @@
+ 	  printf ("No arg to n flag\n");
+ 	  break;
+ 	  }
+-	filesize = sizespec (argv [++i]);
++	filesize = sizespec (arg);
+ 	break;
+ 
+       case 'S':
+@@ -580,7 +580,11 @@
    childinfo = mmap (NULL,
  		    nproc * sizeof (struct childinfo),
  		    PROT_READ | PROT_WRITE,
@@ -10,5 +19,5 @@
 +		    MAP_SHARED | MAP_ANON,
 +#endif
  		    -1,
- 		    0 );
-   if (childinfo == MAP_FAILED)
+ 		    (off_t) 0 );
+ #else