AP_BattMonitor: Add APM_BUILD_Heli

libraries/AP_BattMonitor/AP_BattMonitor.cpp

@@ -431,7 +431,7 @@ void AP_BattMonitor::convert_params(void) {
 
 #if APM_BUILD_TYPE(APM_BUILD_ArduPlane)
     info.old_key = 166;
-#elif APM_BUILD_TYPE(APM_BUILD_ArduCopter)
+#elif APM_BUILD_COPTER_OR_HELI()
     info.old_key = 36;
 #elif APM_BUILD_TYPE(APM_BUILD_ArduSub)
     info.old_key = 33;

libraries/AP_BattMonitor/AP_BattMonitor_Params.cpp

@@ -3,11 +3,11 @@
 #include "AP_BattMonitor_Params.h"
 #include "AP_BattMonitor.h"
 
-#if APM_BUILD_TYPE(APM_BUILD_ArduCopter)
+#if APM_BUILD_COPTER_OR_HELI()
   #define DEFAULT_LOW_BATTERY_VOLTAGE 10.5f
 #else
   #define DEFAULT_LOW_BATTERY_VOLTAGE 0.0f
-#endif // APM_BUILD_TYPE(APM_BUILD_ArduCopter)
+#endif // APM_BUILD_COPTER_OR_HELI()
 
 const AP_Param::GroupInfo AP_BattMonitor_Params::var_info[] = {
     // @Param: MONITOR