Add CVS tag lines to files that were lacking them.

src/timezone/data/etcetera

@@ -1,5 +1,7 @@
 # @(#)etcetera	7.12
 
+# $PostgreSQL: pgsql/src/timezone/data/etcetera,v 1.3 2006/03/11 04:38:41 momjian Exp $
+#
 # These entries are mostly present for historical reasons, so that
 # people in areas not otherwise covered by the tz files could "zic -l"
 # to a time zone that was right for their area.  These days, the

src/timezone/data/europe

@@ -1,5 +1,7 @@
 # @(#)europe	7.95
 
+# $PostgreSQL: pgsql/src/timezone/data/europe,v 1.4 2006/03/11 04:38:41 momjian Exp $
+#
 # This data is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
 # tz@elsie.nci.nih.gov for general use in the future).

src/timezone/data/factory

@@ -1,5 +1,7 @@
 # @(#)factory	7.3
 
+# $PostgreSQL: pgsql/src/timezone/data/factory,v 1.2 2006/03/11 04:38:41 momjian Exp $
+
 # For companies who don't want to put time zone specification in
 # their installation procedures.  When users run date, they'll get the message.
 # Also useful for the "comp.sources" version.

src/timezone/data/iso3166.tab

@@ -1,5 +1,7 @@
 # ISO 3166 alpha-2 country codes
 #
+# $PostgreSQL: pgsql/src/timezone/data/iso3166.tab,v 1.4 2006/03/11 04:38:41 momjian Exp $
+#
 # @(#)iso3166.tab	1.17
 #
 # From Paul Eggert (2004-06-14):

src/timezone/data/leapseconds

@@ -2,6 +2,8 @@
 
 # Allowance for leapseconds added to each timezone file.
 
+# $PostgreSQL: pgsql/src/timezone/data/leapseconds,v 1.4 2006/03/11 04:38:41 momjian Exp $
+
 # The International Earth Rotation Service periodically uses leap seconds
 # to keep UTC to within 0.9 s of UT1
 # (which measures the true angular orientation of the earth in space); see