Enable RFC3390 by default and remove a few compile time options which

can be changed via sysctl's.
ok markus@

src/etc/sysctl.conf

@@ -1,4 +1,4 @@
-#	$OpenBSD: sysctl.conf,v 1.37 2005/09/10 09:29:29 jmc Exp $
+#	$OpenBSD: sysctl.conf,v 1.38 2005/09/28 15:20:04 brad Exp $
 #
 # This file contains a list of sysctl options the user wants set at
 # boot time.  See sysctl(3) and sysctl(8) for more information on
@@ -7,8 +7,8 @@
 #net.inet.ip.forwarding=1	# 1=Permit forwarding (routing) of packets
 #net.inet6.ip6.forwarding=1	# 1=Permit forwarding (routing) of packets
 #net.inet6.ip6.accept_rtadv=1	# 1=Permit IPv6 autoconf (forwarding must be 0)
-#net.inet.tcp.rfc1323=0		# 0=disable TCP RFC1323 extensions (for if tcp is slow)
-#net.inet.tcp.rfc3390=1		# 1=Enable RFC3390 for TCP window increasing
+#net.inet.tcp.rfc1323=0		# 0=Disable TCP RFC1323 extensions (for if tcp is slow)
+#net.inet.tcp.rfc3390=0		# 1=Disable RFC3390 for TCP window increasing
 #net.inet.esp.enable=0		# 0=Disable the ESP IPsec protocol
 #net.inet.ah.enable=0		# 0=Disable the AH IPsec protocol
 #net.inet.esp.udpencap=0	# 0=Disable ESP-in-UDP encapsulation