package/pound: Fix build with openssl 1.0.2

Fixes
http://autobuild.buildroot.net/results/5be/5be1082dee8387b1140d802ac3c788896a4bf980/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
1 file changed