Fix uint32_t declarations

Author: AniruddhaKanhere

source/core_mqtt.c

@@ -185,7 +185,7 @@ static size_t addEncodedStringToVector( uint8_t serializedLength[ CORE_MQTT_SERI
                                         const char * const string,
                                         uint16_t length,
                                         TransportOutVector_t * iterator,
-                                        size_t * updatedLength );
+                                        uint32_t * updatedLength );
 
 /**
  * @brief Send Subscribe without copying the users data into any buffer.
@@ -2600,7 +2600,7 @@ static size_t addEncodedStringToVector( uint8_t serializedLength[ CORE_MQTT_SERI
                                         const char * const string,
                                         uint16_t length,
                                         TransportOutVector_t * iterator,
-                                        size_t * updatedLength )
+                                        uint32_t * updatedLength )
 {
     size_t packetLength = 0U;
     TransportOutVector_t * pLocalIterator = iterator;
@@ -2653,7 +2653,7 @@ static MQTTStatus_t sendSubscribeWithoutCopy( MQTTContext_t * pContext,
     TransportOutVector_t * pIterator;
     uint8_t serializedTopicFieldLength[ MQTT_SUB_UNSUB_MAX_VECTORS ][ CORE_MQTT_SERIALIZED_LENGTH_FIELD_BYTES ];
     uint8_t subscriptionOptionsArray[ MQTT_SUB_UNSUB_MAX_VECTORS / CORE_MQTT_SUBSCRIBE_PER_TOPIC_VECTOR_LENGTH ];
-    size_t totalPacketLength = 0U;
+    uint32_t totalPacketLength = 0U;
     size_t ioVectorLength = 0U;
     size_t subscriptionsSent = 0U;
     size_t vectorsAdded = 0U;
@@ -2794,7 +2794,7 @@ static MQTTStatus_t sendUnsubscribeWithoutCopy( MQTTContext_t * pContext,
     TransportOutVector_t pIoVector[ MQTT_SUB_UNSUB_MAX_VECTORS ];
     TransportOutVector_t * pIterator;
     uint8_t serializedTopicFieldLength[ MQTT_SUB_UNSUB_MAX_VECTORS ][ CORE_MQTT_SERIALIZED_LENGTH_FIELD_BYTES ];
-    size_t totalPacketLength = 0U;
+    uint32_t totalPacketLength = 0U;
     size_t ioVectorLength = 0U;
     size_t unsubscriptionsSent = 0U;
     size_t vectorsAdded = 0U;