[FAB-7487] Fix typo in node/fabcar.js

According to this tutorial http://hyperledger-fabric.readthedocs.io/en/latest/write_first_app.html
the function name is spelled changeCarOwner.

Renamed changeCarowner to changeCarOwner.

Change-Id: Ic32c76137e3686cbf951f846da0ef8c4c5d8986d
Signed-off-by: Nikita Klein <objcoding@gmail.com>

chaincode/fabcar/node/fabcar.js

@@ -175,8 +175,8 @@ let Chaincode = class {
  }
  }
 
- async changeCarowner(stub, args) {
- console.info('============= START : changeCarowner ===========');
+ async changeCarOwner(stub, args) {
+ console.info('============= START : changeCarOwner ===========');
  if (args.length != 2) {
  throw new Error('Incorrect number of arguments. Expecting 2');
  }
@@ -186,7 +186,7 @@ let Chaincode = class {
  car.owner = args[1];
 
  await stub.putState(args[0], Buffer.from(JSON.stringify(car)));
- console.info('============= END : changeCarowner ===========');
+ console.info('============= END : changeCarOwner ===========');
  }
 };