changed iscsi_data.size from int to size_t

iscsi_data.size is used as parameter to memory
operation functions (such as malloc) which except
size_t rather than int.

Signed-off-by: Peter Lieven <pl@kamp.de>

include/iscsi.h

@@ -573,7 +573,7 @@ iscsi_task_mgmt_target_cold_reset_async(struct iscsi_context *iscsi,
  */
 
 struct iscsi_data {
-       int size;
+       size_t size;
        unsigned char *data;
 };
 

lib/socket.c

@@ -753,8 +753,8 @@ iscsi_queue_pdu(struct iscsi_context *iscsi, struct iscsi_pdu *pdu)
 		unsigned long crc;
 
 		if (pdu->outdata.size < ISCSI_RAW_HEADER_SIZE + 4) {
-			iscsi_set_error(iscsi, "PDU too small (%d) to contain header digest",
-					pdu->outdata.size);
+			iscsi_set_error(iscsi, "PDU too small (%u) to contain header digest",
+					(unsigned int) pdu->outdata.size);
 			return -1;
 		}