AP_AHRS: var_info is now in GCS_MAVLINK_Parameters

libraries/AP_AHRS/examples/AHRS_Test/AHRS_Test.cpp

@@ -101,7 +101,7 @@ void loop(void)
     }
 }
 
-const struct AP_Param::GroupInfo        GCS_MAVLINK::var_info[] = {
+const struct AP_Param::GroupInfo        GCS_MAVLINK_Parameters::var_info[] = {
     AP_GROUPEND
 };
 GCS_Dummy _gcs;