Fix the exit condition for bootstrap script

deployments/scripts/azure/bootstrap.sh

@@ -17,6 +17,7 @@ currentMessage="All schemas uploaded successfully"
 BEARER_TOKEN=`python $AZURE_DEPLOYMENTS_SUBDIR/Token.py`
 export BEARER_TOKEN=$BEARER_TOKEN
 python $AZURE_DEPLOYMENTS_SCRIPTS_SUBDIR/DeploySharedSchemas.py -u $AZURE_SCHEMA_URL
+RET=$?
 if [ $ret -ne 0 ]; then
 	currentStatus="failure"
 	currentMessage="Schema loading failed. Please check error logs for more details."