doc: update doc for executeNonQuerySync API, issue #583
doc: update doc for executeNonQuerySync API, issue #583

ibmdb/node-ibm_db,qpresley/node-ibm_db,ibmdb/node-ibm_db,qpresley/node-ibm_db,qpresley/node-ibm_db,ibmdb/node-ibm_db,qpresley/node-ibm_db,qpresley/node-ibm_db,ibmdb/node-ibm_db,qpresley/node-ibm_db,ibmdb/node-ibm_db,ibmdb/node-ibm_db