this patch is setting the rpath in ltmain.sh to move the private libraries
afterwards in a subfolder under /usr/lib/ to follow the recommendations of
debian policy 10.2
--- ipsec-tools-0.8.0-orig/ltmain.sh	2011-03-21 11:29:31.000000000 +0100
+++ ipsec-tools-0.8.0/ltmain.sh		2011-03-21 11:35:07.000000000 +0100
@@ -4057,7 +4057,7 @@
     finalize_command=$nonopt
 
     compile_rpath=
-    finalize_rpath=
+    finalize_rpath=/usr/lib/ipsec-tools
     compile_shlibpath=
     finalize_shlibpath=
     convenience=
