package/softether: requires DES, MD4 and RC4 support in openssl

Enable DES, MD4 and RC4 in openssl to fix build failure raised since
commit a83d41867c8d69a77d5cd0a665aa216af5340359

Fixes:
 - http://autobuild.buildroot.org/results/ce601fb26d143e03adb39c41f2fdfca3b3191127

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
[yann.morin.1998@free.fr:
  - drop conditionals on selects: libopenssl is forced
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/softether/Config.in

@@ -6,6 +6,9 @@ config BR2_PACKAGE_SOFTETHER
 	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
 	select BR2_PACKAGE_OPENSSL
 	select BR2_PACKAGE_OPENSSL_FORCE_LIBOPENSSL
+	select BR2_PACKAGE_LIBOPENSSL_ENABLE_DES
+	select BR2_PACKAGE_LIBOPENSSL_ENABLE_MD4
+	select BR2_PACKAGE_LIBOPENSSL_ENABLE_RC4
 	select BR2_PACKAGE_READLINE
 	help
 	  The SoftEther Server is a fully integrated implementation of