Fix to properly handle timezone offsets that are partial hours.  If the offset was a partial hour and less than gmt (i.e. -02:30) the code would corrupt the minutes part.
Fix to properly handle timezone offsets that are partial hours.  If the offset
was a partial hour and less than gmt (i.e. -02:30) the code would corrupt the
minutes part.

 Modified Files:
 	jdbc/org/postgresql/jdbc1/AbstractJdbc1Statement.java

tivv/davepgjdbc,tivv/davepgjdbc