MONDRIAN: fix NPE
MONDRIAN: fix NPE

[git-p4: depot-paths = "//open/mondrian/": change = 3201]

ivanpogodin/mondrian,bmorrise/mondrian,preisanalytics/mondrian,nextelBIS/mondrian,pedrofvteixeira/mondrian,stiberger/mondrian,syncron/mondrian,mdamour1976/mondrian,bmorrise/mondrian,openedbox/mondrian,AvinashPD/mondrian,Seiferxx/mondrian,julianhyde/mondrian,truvenganong/mondrian,lgrill-pentaho/mondrian,lgrill-pentaho/mondrian,preisanalytics/mondrian,nextelBIS/mondrian,OSBI/mondrian,truvenganong/mondrian,pentaho/mondrian,stiberger/mondrian,pentaho/mondrian,cesarmarinhorj/mondrian,citycloud-bigdata/mondrian,cocosli/mondrian,Seiferxx/mondrian,ivanpogodin/mondrian,rfellows/mondrian,OSBI/mondrian,dkincade/mondrian,syncron/mondrian,pedrofvteixeira/mondrian,AvinashPD/mondrian,pentaho/mondrian,ivanpogodin/mondrian,dkincade/mondrian,citycloud-bigdata/mondrian,mustangore/mondrian,sayanh/mondrian,pedrofvteixeira/mondrian,openedbox/mondrian,lgrill-pentaho/mondrian,syncron/mondrian,wetet2/mondrian,mustangore/mondrian,cesarmarinhorj/mondrian,rfellows/mondrian,cocosli/mondrian,stiberger/mondrian,mdamour1976/mondrian,nextelBIS/mondrian,sayanh/mondrian,cocosli/mondrian,preisanalytics/mondrian,julianhyde/mondrian,cesarmarinhorj/mondrian,truvenganong/mondrian,AvinashPD/mondrian,OSBI/mondrian,dkincade/mondrian,citycloud-bigdata/mondrian,mustangore/mondrian,wetet2/mondrian,openedbox/mondrian,sayanh/mondrian,bmorrise/mondrian,mdamour1976/mondrian,wetet2/mondrian,Seiferxx/mondrian