openssl bignum forward declarations instead of include
openssl bignum forward declarations instead of include

Signed-off-by: ebensza <3dbfd39ce7ec91c04ae75d8e6e61ea99d4f9b67a@ericsson.com>

BotondBaranyi/titan.core,BotondBaranyi/titan.core,BotondBaranyi/titan.core,BotondBaranyi/titan.core,BotondBaranyi/titan.core,BotondBaranyi/titan.core,BotondBaranyi/titan.core,BotondBaranyi/titan.core