Change ramdisk filesystem size from 4352 to 4000 blocks, so that

bsd.rd does not overlap the boot code... this problem is starting to
feel familiar.. tested by myself and claudio

src/etc/etc.sparc/disktab

@@ -1,4 +1,4 @@
-# $OpenBSD: disktab,v 1.21 2003/03/01 00:46:24 miod Exp $
+# $OpenBSD: disktab,v 1.22 2008/03/06 08:23:48 deraadt Exp $
 #
 #	@(#)disktab	5.5 (Berkeley) 2/27/91
 #
@@ -25,9 +25,9 @@ miniroot:\
 	:pc#12288:oc#0:
 
 rdroot:\
-	:ty=ramdisk:se#512:nt#2:rm#300:ns#4:nc#544:\
-	:pa#4352:oa#0:ta=4.2BSD:ba#8192:fa#1024:\
-	:pc#4352:oc#0:
+	:ty=ramdisk:se#512:nt#2:rm#300:ns#4:nc#500:\
+	:pa#4000:oa#0:ta=4.2BSD:ba#8192:fa#1024:\
+	:pc#4000:oc#0:
 
 floppy|floppy3|3in|3.5in High Density Floppy:\
 	:dt=floppy:ty=floppy:se#512:nt#2:rm#300:ns#18:nc#80:\