No need to install release notes.

$OpenBSD: patch-src_Makefile_in,v 1.2 2010/09/13 17:17:06 sebastia Exp $
--- src/Makefile.in.orig	Mon Aug  2 18:33:20 2010
+++ src/Makefile.in	Wed Aug 18 00:36:10 2010
@@ -118,7 +118,7 @@ MSGSDIR = $(PRIVDIR)/msgs
 SPOOLDIR = $(DESTDIR)@localstatedir@/lib/ejabberd
 
 # /var/lock/ejabberdctl
-CTLLOCKDIR = $(DESTDIR)@localstatedir@/lock/ejabberdctl
+CTLLOCKDIR = $(DESTDIR)/tmp
 
 # /var/lib/ejabberd/.erlang.cookie
 COOKIEFILE = $(SPOOLDIR)/.erlang.cookie
@@ -257,7 +257,6 @@ install: all
 	install -m 644 ../doc/dev.html $(DOCDIR)
 	install -m 644 ../doc/guide.html $(DOCDIR)
 	install -m 644 ../doc/*.png $(DOCDIR)
-	install -m 644 ../doc/*.txt $(DOCDIR)
 	[ -f ../doc/guide.pdf ] \
 		&& install -m 644 ../doc/guide.pdf $(DOCDIR) \
 		|| echo "No ../doc/guide.pdf was built"