fix: replace c++ enum definition with c enum definition

common/include/message.h

@@ -11,13 +11,13 @@
 typedef s32 int32_t;
 typedef s64 int64_t;
 #else
-  #include <stdint.h>
 #include <stddef.h>
+#include <stdint.h>
 #endif
 
 #define MAX_MESSAGE_DATA_SIZE 4096
 
-typedef enum message_data_type : uint32_t {
+enum message_data_type {
   INT8,
   UINT8,
   INT16,
@@ -28,13 +28,18 @@ typedef enum message_data_type : uint32_t {
   UINT64,
   FLOAT32,
   FLOAT64
-} message_data_type_t;
+};
+typedef uint32_t message_data_type_t;
 
 /**
  * typedef message_t - Structure to hold a message with a measurement.
- * @measurement_id: The id of the measurement. Every sender should have a unique id.
- * @daemon_measurement_datatype: Datatype of the data. All values in `data` must be of this type.
- * @length: How many types of `datatype` are in `data`. Must not exceed (`length` * daemon_measurement_datatype_size(`datatype`)) > MAX_DAEMON_PACKET_DATA_SIZE.
+ * @measurement_id: The id of the measurement. Every sender should have a unique
+ * id.
+ * @daemon_measurement_datatype: Datatype of the data. All values in `data` must
+ * be of this type.
+ * @length: How many types of `datatype` are in `data`. Must not exceed
+ * (`length` * daemon_measurement_datatype_size(`datatype`)) >
+ * MAX_DAEMON_PACKET_DATA_SIZE.
  * @data: The measurement data.
  */
 typedef struct message {