temporary hack until libtool is fixed.

$OpenBSD: patch-lib_Makefile_in,v 1.2 2013/01/18 19:09:08 steven Exp $
--- lib/Makefile.in.orig	Thu Jan 17 10:27:17 2013
+++ lib/Makefile.in	Fri Jan 18 19:26:49 2013
@@ -152,7 +152,7 @@ am_libsyslog_ng_la_OBJECTS = afinter.lo alarms.lo apph
 	rewrite-expr-grammar.lo $(am__objects_2)
 libsyslog_ng_la_OBJECTS = $(am_libsyslog_ng_la_OBJECTS)
 libsyslog_ng_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
-	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) -version-info 0:0:0 \
 	$(libsyslog_ng_la_LDFLAGS) $(LDFLAGS) -o $@
 DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
 depcomp = $(SHELL) $(top_srcdir)/depcomp
