wifimngr: wps_start correct return value
wifi_lib functions return -1 in case of non-existing control interface. This case should be recognized as error and printed.
Signed-off-by: Bartlomiej Grzeskowiak bartlomiej.grzeskowiak@iopsys.eu
wifi_lib functions return -1 in case of non-existing control interface. This case should be recognized as error and printed.
Signed-off-by: Bartlomiej Grzeskowiak bartlomiej.grzeskowiak@iopsys.eu