[xmlsec] don't use -ldl on freebsd (from Emmanuel)

[Aleksey Sanin <aleksey src gnome org>]

commit 4e32dded0edce19b4572cbb01afab51e6eb7f17b
Author: Aleksey Sanin <aleksey aleksey com>
Date:   Tue Dec 1 07:16:19 2009 -0800

    don't use -ldl on freebsd (from Emmanuel)

 configure.in |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.in b/configure.in
index 99c2820..581e2ca 100644
--- a/configure.in
+++ b/configure.in
@@ -361,6 +361,7 @@ elif test "z$with_openssl" != "z" ; then
 	*-*-mingw*) openssl_exlibs=;;
 	*-*-osf5*) openssl_exlibs=;;
 	*-*-openbsd*) openssl_exlibs=;;
+	*-*-netbsd*) openssl_exlibs=;;
 	#FIXME: check if lib "dl" is required
 	*)          openssl_exlibs=-ldl;;
     esac