pgsql: Fix a few places where $Id$ and $Header$ CVS tags had crept into

Log Message:
-----------
Fix a few places where $Id$ and $Header$ CVS tags had crept into the
source tree. They should all be $PostgreSQL$ of course.

Modified Files:
--------------
pgsql/contrib/fuzzystrmatch:
dmetaphone.c (r1.8 -> r1.9)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/fuzzystrmatch/dmetaphone.c.diff?r1=1.8&r2=1.9)
pgsql/contrib/pgcrypto:
imath.c (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgcrypto/imath.c.diff?r1=1.2&r2=1.3)
imath.h (r1.2 -> r1.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/pgcrypto/imath.h.diff?r1=1.2&r2=1.3)
pgsql/src/backend/po:
de.po (r1.21 -> r1.22)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/po/de.po.diff?r1=1.21&r2=1.22)
pgsql/src/backend/port:
win32_sema.c (r1.1 -> r1.2)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/port/win32_sema.c.diff?r1=1.1&r2=1.2)
pgsql/src/bin/pg_config/po:
de.po (r1.5 -> r1.6)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_config/po/de.po.diff?r1=1.5&r2=1.6)
pgsql/src/bin/pg_ctl/po:
de.po (r1.7 -> r1.8)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_ctl/po/de.po.diff?r1=1.7&r2=1.8)
pgsql/src/bin/psql/po:
de.po (r1.18 -> r1.19)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/po/de.po.diff?r1=1.18&r2=1.19)