pgsql: Make pg_upgrade copyrights just 2010, not 2010-2010.

Log Message:
-----------
Make pg_upgrade copyrights just 2010, not 2010-2010.

Modified Files:
--------------
pgsql/contrib/pg_upgrade:
check.c (r1.9 -> r1.10)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/check.c?r1=1.9&r2=1.10)
controldata.c (r1.7 -> r1.8)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/controldata.c?r1=1.7&r2=1.8)
dump.c (r1.5 -> r1.6)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/dump.c?r1=1.5&r2=1.6)
exec.c (r1.6 -> r1.7)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/exec.c?r1=1.6&r2=1.7)
file.c (r1.11 -> r1.12)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/file.c?r1=1.11&r2=1.12)
function.c (r1.5 -> r1.6)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/function.c?r1=1.5&r2=1.6)
info.c (r1.9 -> r1.10)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/info.c?r1=1.9&r2=1.10)
option.c (r1.10 -> r1.11)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/option.c?r1=1.10&r2=1.11)
page.c (r1.4 -> r1.5)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/page.c?r1=1.4&r2=1.5)
pg_upgrade.c (r1.8 -> r1.9)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/pg_upgrade.c?r1=1.8&r2=1.9)
pg_upgrade.h (r1.13 -> r1.14)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/pg_upgrade.h?r1=1.13&r2=1.14)
relfilenode.c (r1.6 -> r1.7)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/relfilenode.c?r1=1.6&r2=1.7)
server.c (r1.6 -> r1.7)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/server.c?r1=1.6&r2=1.7)
tablespace.c (r1.4 -> r1.5)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/tablespace.c?r1=1.4&r2=1.5)
util.c (r1.3 -> r1.4)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/util.c?r1=1.3&r2=1.4)
version.c (r1.4 -> r1.5)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/version.c?r1=1.4&r2=1.5)
version_old_8_3.c (r1.5 -> r1.6)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/version_old_8_3.c?r1=1.5&r2=1.6)
pgsql/contrib/pg_upgrade_support:
pg_upgrade_support.c (r1.3 -> r1.4)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade_support/pg_upgrade_support.c?r1=1.3&r2=1.4)