[network-manager-libreswan] build: really fix linking against libdl.so for dlopen()

[Thomas Haller <thaller src gnome org>]

commit 296430d4b386f76acfcd0458ab46b5d8df524583
Author: Thomas Haller <thaller redhat com>
Date:   Wed Sep 7 18:15:51 2016 +0200

    build: really fix linking against libdl.so for dlopen()
    
    Fixes: 9d337b1d70bb42adff18552bcec6720379cb6235

 properties/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/properties/Makefile.am b/properties/Makefile.am
index 8591743..376db48 100644
--- a/properties/Makefile.am
+++ b/properties/Makefile.am
@@ -44,7 +44,7 @@ libnm_vpn_plugin_libreswan_la_SOURCES = \
 
 libnm_vpn_plugin_libreswan_la_LIBADD = \
     $(LIBNM_LIBS) \
-    $(LD_LIBS) \
+    $(DL_LIBS) \
     $(NULL)
 
 libnm_vpn_plugin_libreswan_la_LDFLAGS = \