hg: jdk6/jdk6: 6962318: Update copyright year

[kelly . ohair]

Changeset: b1bc3f8a384d
Author:    ohair
Date:      2010-12-22 20:08 -0800
URL:       http://hg.openjdk.java.net/jdk6/jdk6/rev/b1bc3f8a384d

6962318: Update copyright year
Reviewed-by: andrew

! make/hotspot-rules.gmk
! make/jdk-rules.gmk
! make/jprt.gmk
! make/jprt.properties
! make/sanity-rules.gmk
+ make/scripts/update_copyright_year.sh