core: Fix stored proc for get all snapshots
core: Fix stored proc for get all snapshots

The stored procedure was written incorrectly, which causes it to fail.

Change-Id: I2527cbee2404eb5cbb9406e45f5c700756d2f3d5

yingyun001/ovirt-engine,zerodengxinchao/ovirt-engine,eayun/ovirt-engine,OpenUniversity/ovirt-engine,yingyun001/ovirt-engine,eayun/ovirt-engine,OpenUniversity/ovirt-engine,eayun/ovirt-engine,walteryang47/ovirt-engine,yapengsong/ovirt-engine,eayun/ovirt-engine,zerodengxinchao/ovirt-engine,derekhiggins/ovirt-engine,halober/ovirt-engine,halober/ovirt-engine,walteryang47/ovirt-engine,derekhiggins/ovirt-engine,yingyun001/ovirt-engine,derekhiggins/ovirt-engine,OpenUniversity/ovirt-engine,walteryang47/ovirt-engine,halober/ovirt-engine,OpenUniversity/ovirt-engine,walteryang47/ovirt-engine,yapengsong/ovirt-engine,yapengsong/ovirt-engine,zerodengxinchao/ovirt-engine,eayun/ovirt-engine,OpenUniversity/ovirt-engine,yapengsong/ovirt-engine,yapengsong/ovirt-engine,derekhiggins/ovirt-engine,yingyun001/ovirt-engine,zerodengxinchao/ovirt-engine,walteryang47/ovirt-engine,yingyun001/ovirt-engine,zerodengxinchao/ovirt-engine,halober/ovirt-engine