package/vtun: requires blowfish support in openssl
Enable blowfish in openssl to fix build failure raised since commit
a83d41867c8d69a77d5cd0a665aa216af5340359
Fixes:
- http://autobuild.buildroot.org/results/38f6b92ead5861c2e15ca768acea9742ad4e0fec
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>