Converted all the BACnet-array-index variables from int32 to uint32 as they were intended.

bacnet-stack/include/client.h

@@ -119,7 +119,7 @@ extern "C" {
         BACNET_OBJECT_TYPE object_type,
         uint32_t object_instance,
         BACNET_PROPERTY_ID object_property,
-        int32_t array_index);
+        uint32_t array_index);
     uint8_t Send_Read_Property_Multiple_Request(
         uint8_t * pdu,
         size_t max_pdu,
@@ -134,7 +134,7 @@ extern "C" {
         BACNET_PROPERTY_ID object_property,
         BACNET_APPLICATION_DATA_VALUE * object_value,
         uint8_t priority,
-        int32_t array_index);
+        uint32_t array_index);
     uint8_t Send_Write_Property_Request_Data(
         uint32_t device_id,
         BACNET_OBJECT_TYPE object_type,
@@ -143,7 +143,7 @@ extern "C" {
         uint8_t * application_data,
         int application_data_len,
         uint8_t priority,
-        int32_t array_index);
+        uint32_t array_index);
 
 /* returns the invoke ID for confirmed request, or 0 if failed */
     uint8_t Send_Reinitialize_Device_Request(