Adding the version number to the most relevant manual pages.

src/pluto/Makefile.am

@@ -89,7 +89,9 @@ _pluto_adns_LDADD = \
 $(LIBFREESWANDIR)/libfreeswan.a \
 -lresolv $(DLLIB)
 
+CLEANFILES = ipsec.secrets.5
 dist_man_MANS = pluto.8 ipsec.secrets.5
+EXTRA_DIST = ipsec.secrets.5.in
 
 # compile options
 #################
@@ -136,4 +138,8 @@ if USE_XAUTH
   SUBDIRS += plugins/xauth
 endif
 
+ipsec.secrets.5 : ipsec.secrets.5.in
+	sed \
+	-e "s:@IPSEC_VERSION@:$(PACKAGE_VERSION):" \
+	$(srcdir)/$@.in > $@
 

src/pluto/ipsec.secrets.5.in

@@ -1,4 +1,4 @@
-.TH IPSEC.SECRETS 5 "2010-05-30"
+.TH IPSEC.SECRETS 5 "2010-05-30" "@IPSEC_VERSION@" "strongSwan"
 .SH NAME
 ipsec.secrets \- secrets for IKE/IPsec authentication
 .SH DESCRIPTION