Use size_t for address offset loop counter.

src/stream_record.c

@@ -268,7 +268,7 @@ cdi_create_records(stream_t *streamptr, int tsID)
       maxrecords = (unsigned) sourceTstep->recordSize;
       if (sourceTstep->records)
         {
-          for (unsigned recID = 0; recID < maxrecords; recID++)
+          for (size_t recID = 0; recID < maxrecords; recID++)
             {
               int varID = sourceTstep->records[recID].varID;
               nrecords += (varID == CDI_UNDEFID /* varID = CDI_UNDEFID for write mode !!! */
@@ -305,7 +305,7 @@ cdi_create_records(stream_t *streamptr, int tsID)
     {
       memcpy(destTstep->records, sourceTstep->records, (size_t) maxrecords * sizeof(record_t));
 
-      for (unsigned recID = 0; recID < maxrecords; recID++)
+      for (size_t recID = 0; recID < maxrecords; recID++)
         {
           record_t *curRecord = &sourceTstep->records[recID];
           destTstep->records[recID].used = curRecord->used;