fixed bug reported by cc.ais40@wanadoo.fr where getObject was returning an Integer for a smallint datatype instead of a Short

src/interfaces/jdbc/org/postgresql/jdbc1/ResultSet.java

@@ -929,7 +929,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
 			case Types.BIT:
 				return new Boolean(getBoolean(columnIndex));
 			case Types.SMALLINT:
-				return new Integer(getInt(columnIndex));
+				return new Short((short)getInt(columnIndex));
 			case Types.INTEGER:
 				return new Integer(getInt(columnIndex));
 			case Types.BIGINT:

src/interfaces/jdbc/org/postgresql/jdbc2/ResultSet.java

@@ -746,7 +746,7 @@ public class ResultSet extends org.postgresql.ResultSet implements java.sql.Resu
 			case Types.BIT:
 				return new Boolean(getBoolean(columnIndex));
 			case Types.SMALLINT:
-				return new Integer(getInt(columnIndex));
+				return new Short((short)getInt(columnIndex));
 			case Types.INTEGER:
 				return new Integer(getInt(columnIndex));
 			case Types.BIGINT: