Revamp hmac_final_nif()
Revamp hmac_final_nif()

* Add error handling for all OpenSSL calls.

bsmr-erlang/otp,getong/otp,erlang/otp,dgud/otp,potatosalad/otp,kvakvs/otp,g-andrade/otp,vinoski/otp,g-andrade/otp,dgud/otp,uabboli/otp,bjorng/otp,emacsmirror/erlang,ferd/otp,isvilen/otp,dgud/otp,uabboli/otp,electricimp/otp,potatosalad/otp,getong/otp,dumbbell/otp,legoscia/otp,dgud/otp,mikpe/otp,rlipscombe/otp,dgud/otp,erlang/otp,dumbbell/otp,ferd/otp,kvakvs/otp,ferd/otp,legoscia/otp,isvilen/otp,aboroska/otp,legoscia/otp,emacsmirror/erlang,dgud/otp,dgud/otp,vladdu/otp,potatosalad/otp,emacsmirror/erlang,ferd/otp,dumbbell/otp,potatosalad/otp,kvakvs/otp,dgud/otp,vinoski/otp,rlipscombe/otp,lrascao/otp,kvakvs/otp,g-andrade/otp,erlang/otp,emacsmirror/erlang,dumbbell/otp,mikpe/otp,bjorng/otp,bjorng/otp,aboroska/otp,vladdu/otp,kvakvs/otp,aboroska/otp,ferd/otp,bsmr-erlang/otp,lrascao/otp,rlipscombe/otp,ferd/otp,ferd/otp,mikpe/otp,mikpe/otp,getong/otp,RoadRunnr/otp,electricimp/otp,jj1bdx/otp,kvakvs/otp,jj1bdx/otp,mikpe/otp,lrascao/otp,erlang/otp,mikpe/otp,uabboli/otp,dumbbell/otp,emacsmirror/erlang,rlipscombe/otp,electricimp/otp,RoadRunnr/otp,vinoski/otp,legoscia/otp,bsmr-erlang/otp,kvakvs/otp,jj1bdx/otp,isvilen/otp,bsmr-erlang/otp,emacsmirror/erlang,electricimp/otp,vladdu/otp,uabboli/otp,isvilen/otp,dumbbell/otp,mikpe/otp,uabboli/otp,potatosalad/otp,dumbbell/otp,jj1bdx/otp,electricimp/otp,aboroska/otp,potatosalad/otp,rlipscombe/otp,bjorng/otp,vinoski/otp,lrascao/otp,rlipscombe/otp,vinoski/otp,jj1bdx/otp,rlipscombe/otp,g-andrade/otp,potatosalad/otp,electricimp/otp,RoadRunnr/otp,emacsmirror/erlang,lrascao/otp,dumbbell/otp,lrascao/otp,potatosalad/otp,g-andrade/otp,getong/otp,vladdu/otp,erlang/otp,vinoski/otp,isvilen/otp,mikpe/otp,g-andrade/otp,RoadRunnr/otp,mikpe/otp,jj1bdx/otp,isvilen/otp,getong/otp,erlang/otp,emacsmirror/erlang,RoadRunnr/otp,erlang/otp,getong/otp,dgud/otp,RoadRunnr/otp,rlipscombe/otp,vladdu/otp,aboroska/otp,g-andrade/otp,isvilen/otp,bsmr-erlang/otp,RoadRunnr/otp,legoscia/otp,lrascao/otp,getong/otp,kvakvs/otp,erlang/otp,electricimp/otp,isvilen/otp,bjorng/otp,vinoski/otp,dumbbell/otp,ferd/otp,uabboli/otp,bjorng/otp,aboroska/otp,rlipscombe/otp,aboroska/otp,electricimp/otp,potatosalad/otp,RoadRunnr/otp,erlang/otp,isvilen/otp,legoscia/otp,vladdu/otp,jj1bdx/otp,legoscia/otp,aboroska/otp,vinoski/otp,vladdu/otp,uabboli/otp,lrascao/otp,bsmr-erlang/otp,bjorng/otp,vladdu/otp,bsmr-erlang/otp,uabboli/otp,mikpe/otp,legoscia/otp,bjorng/otp,ferd/otp,g-andrade/otp,getong/otp,jj1bdx/otp,g-andrade/otp,jj1bdx/otp,lrascao/otp,emacsmirror/erlang,vinoski/otp,electricimp/otp,dumbbell/otp,erlang/otp,rlipscombe/otp,legoscia/otp,emacsmirror/erlang,getong/otp,jj1bdx/otp,isvilen/otp,g-andrade/otp,bsmr-erlang/otp,uabboli/otp,vinoski/otp,RoadRunnr/otp,aboroska/otp,getong/otp,kvakvs/otp,dgud/otp,bjorng/otp,vladdu/otp,bjorng/otp,bsmr-erlang/otp,potatosalad/otp