Fix fw_versions.py --scan

selfdrive/car/fw_versions.py

@@ -189,7 +189,8 @@ if __name__ == "__main__":
   print()
 
   t = time.time()
-  candidates, fw_vers = get_fw_versions(logcan, sendcan, 1, extra=extra, debug=args.debug, progress=True)
+  fw_vers = get_fw_versions(logcan, sendcan, 1, extra=extra, debug=args.debug, progress=True)
+  candidates = match_fw_to_car(fw_vers)
 
   print()
   print("Found FW versions")
@@ -199,7 +200,6 @@ if __name__ == "__main__":
     print(f"  (Ecu.{version.ecu}, {hex(version.address)}, {subaddr}): [{version.fwVersion}]")
   print("}")
 
-
   print()
   print("Possible matches:", candidates)
   print("Getting fw took %.3f s" % (time.time() - t))