patch by bangert to fix build with --as-needed.
sent upstream at http://varnish.projects.linpro.no/ticket/486

diff -Naur varnish-2.0.4/lib/libvarnish/Makefile.am varnish-2.0.4.new/lib/libvarnish/Makefile.am
--- varnish-2.0.4/lib/libvarnish/Makefile.am	2009-04-01 15:35:14.000000000 +0200
+++ varnish-2.0.4.new/lib/libvarnish/Makefile.am	2009-04-07 21:55:06.000000000 +0200
@@ -29,7 +29,7 @@
 	vss.c \
 	vtmpfile.c
 
-libvarnish_la_LIBADD = ${RT_LIBS} ${NET_LIBS} ${LIBM}
+libvarnish_la_LIBADD = $(top_builddir)/lib/libvarnishcompat/libvarnishcompat.la ${RT_LIBS} ${NET_LIBS} ${LIBM}
 
 
 if ENABLE_TESTS
diff -Naur varnish-2.0.4/lib/Makefile.am varnish-2.0.4.new/lib/Makefile.am
--- varnish-2.0.4/lib/Makefile.am	2009-04-01 15:35:14.000000000 +0200
+++ varnish-2.0.4.new/lib/Makefile.am	2009-04-07 21:57:40.000000000 +0200
@@ -1,15 +1,15 @@
 # $Id: varnish-2.0.4-link-order.patch,v 1.1 2009/04/13 09:54:47 bangert Exp $
 
 SUBDIRS = \
+	libvarnishcompat \
 	libvarnish \
 	libvarnishapi \
-	libvarnishcompat \
 	libvcl \
 	@JEMALLOC_SUBDIR@
 
 DIST_SUBDIRS = 	\
+	libvarnishcompat \
 	libvarnish \
 	libvarnishapi \
-	libvarnishcompat \
 	libvcl \
 	libjemalloc