MONDRIAN: Checkin fix to Jpivot bug 1506764, "ClassCastException w/ Mult-level Dimensions"
MONDRIAN: Checkin fix to Jpivot bug 1506764, "ClassCastException w/ Mult-level Dimensions"

[git-p4: depot-paths = "//open/mondrian/": change = 7025]

inevo/mondrian,inevo/mondrian