BF [3051442] - Client stops if user click about 15 times, always

http://sourceforge.net/support/tracker.php?aid=3051442
Detected and fixed a connection leak in swing grid mode

org.adempiere.base/src/org/compiere/model/GridTable.java

@@ -1967,6 +1967,8 @@ public class GridTable extends AbstractTableModel
 
 			log.fine("Committing ...");
 			DB.commit(true, null);	//	no Trx
+			DB.close(rs, pstmt);
+			rs = null; pstmt = null;
 			//
 			lobSave(whereClause);