virsh.schedinfo: fix the wrong logic in configuration file.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
virsh.schedinfo: fix the wrong max value of emulator_quota.

Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Merge pull request #278 from yangdongsheng/schedinfo

virsh.schedinfo: fix bug in schedinfo.cfg