Fixed style issue with Astyle 3.1

src/drivers/linux_pwm_out/linux_pwm_out.cpp

@@ -235,6 +235,7 @@ void task_main(int argc, char *argv[])
 		pwm_out = new OcpocMmapPWMOut(_max_num_outputs);
 
 #ifdef __DF_BBBLUE
+
 	} else if (strcmp(_protocol, "bbblue_rc") == 0) {
 		PX4_INFO("Starting PWM output in bbblue_rc mode");
 		pwm_out = new BBBlueRcPWMOut(_max_num_outputs);