pgsql: Add missing copyright blurb, make ruleutils.c use the standard

Log Message:
-----------
Add missing copyright blurb, make ruleutils.c use the standard layout
for its header comment.

Modified Files:
--------------
pgsql/src/backend/utils/adt:
pg_lzcompress.c (r1.23 -> r1.24)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/pg_lzcompress.c.diff?r1=1.23&r2=1.24)
ruleutils.c (r1.243 -> r1.244)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/ruleutils.c.diff?r1=1.243&r2=1.244)
version.c (r1.13 -> r1.14)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/version.c.diff?r1=1.13&r2=1.14)