MONDRIAN: Count rows read from SQL during Segment.load. Currently alw…

…ays returns 0. Problem was noted in MONDRIAN-769.

[git-p4: depot-paths = "//open/mondrian-release/3.2/": change = 13738]

src/main/mondrian/rolap/agg/SegmentLoader.java

@@ -416,6 +416,7 @@ RowList processData(
         final RowList processedRows = new RowList(processedTypes, 100);
 
         while (rawRows.next()) {
+            ++stmt.rowCount;
             processedRows.createRow();
             // get the columns
             int columnIndex = 0;