scheduler: fix incorrect log message
scheduler: fix incorrect log message

Here log message always uses 'minimum' in despite of the based_on
value.

Change-Id: I67962dba7318535cf3a5c7c1ddee9b0c23c13dbf

vmturbo/nova,sebrandon1/nova,klmitch/nova,jianghuaw/nova,mahak/nova,gooddata/openstack-nova,rahulunair/nova,cyx1231st/nova,BeyondTheClouds/nova,mikalstill/nova,Juniper/nova,cyx1231st/nova,vmturbo/nova,rajalokan/nova,cloudbase/nova,klmitch/nova,gooddata/openstack-nova,apporc/nova,rahulunair/nova,NeCTAR-RC/nova,hanlind/nova,BeyondTheClouds/nova,jianghuaw/nova,alaski/nova,cloudbase/nova,phenoxim/nova,dims/nova,bigswitch/nova,apporc/nova,phenoxim/nova,Juniper/nova,dims/nova,klmitch/nova,cloudbase/nova,Juniper/nova,cernops/nova,cernops/nova,devendermishrajio/nova,hanlind/nova,mahak/nova,rajalokan/nova,zhimin711/nova,bigswitch/nova,BeyondTheClouds/nova,gooddata/openstack-nova,openstack/nova,devendermishrajio/nova,vmturbo/nova,openstack/nova,Juniper/nova,jianghuaw/nova,mikalstill/nova,mikalstill/nova,gooddata/openstack-nova,sebrandon1/nova,CEG-FYP-OpenStack/scheduler,jianghuaw/nova,rahulunair/nova,klmitch/nova,vmturbo/nova,sebrandon1/nova,cernops/nova,NeCTAR-RC/nova,alaski/nova,mahak/nova,rajalokan/nova,openstack/nova,CEG-FYP-OpenStack/scheduler,hanlind/nova,zhimin711/nova,rajalokan/nova