[odbcTransport.js] Add check for connectError

Author: abmusse

lib/transports/odbcTransport.js

@@ -53,6 +53,10 @@ function odbcCall(config, xmlInput, done) {
   }
 
   odbc.connect(connectionString, (connectError, connection) => {
+    if (connectError) {
+      done(connectError, null);
+      return;
+    }
     connection.query(sql, [ipc, ctl, xmlInput], (queryError, results) => {
       if (queryError) {
         done(queryError, null);