openvpn routing problem

[Neal Becker <ndbecker2 gmail com>]

If I use nm (NetworkManager-0.7.0-0.9.3.svn3623.fc9.x86_64) to setup
openvpn, it wants to route:
/sbin/route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
71.168.34.70    192.168.1.1     255.255.255.255 UGH   0      0        0 eth0
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0 eth0
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0
wlan0
0.0.0.0         0.0.0.0         0.0.0.0         U     0      0        0 tun0

That's no good, I don't want the default route set to tun0.  Here's what I
have if I manually start openvpn:
/sbin/route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
10.4.0.49       0.0.0.0         255.255.255.255 UH    0      0        0 tun0
10.4.0.0        10.4.0.49       255.255.255.0   UG    0      0        0 tun0
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0
wlan0