deprecated variables used in fc library

Details: Job #845699070

Branch: develop

Issue:

Following messages are recorded in the build logs \

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[ 16%] Building CXX object libraries/fc/CMakeFiles/fc.dir/src/crypto/openssl.cpp.o
/home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/openssl.cpp: In constructor '˜fc::openssl_scope::openssl_scope()':
/home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/openssl.cpp:33:33: warning: 'void OPENSSL_config(const char)' is deprecated [-Wdeprecated-declarations]*
OPENSSL_config(nullptr);
^ In file included from /usr/include/openssl/ec.h:14:0,
from /home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/include/fc/crypto/openssl.hpp:2,
from /home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/openssl.cpp:1:
/usr/include/openssl/conf.h:91:1: note: declared here
DEPRECATEDIN_1_1_0(void OPENSSL_config(const char *config_name))
^ [ 16%] Building CXX object libraries/fc/CMakeFiles/fc.dir/src/crypto/crc.cpp.o\

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[ 21%] Building CXX object libraries/fc/CMakeFiles/fc.dir/src/network/http/http_connection.cpp.o
/home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/rand.cpp: In function 'void fc::rand_bytes(char*, int)':
/home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/rand.cpp:11:14: warning: unused variable 'init' [-Wunused-variable]
static int init = init_openssl();
^~~~ /home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/rand.cpp: In function 'void fc::rand_pseudo_bytes(char*, int)':
/home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/rand.cpp:22:60: warning: 'int RAND_pseudo_bytes(unsigned char, int)' is deprecated [-Wdeprecated-declarations]
int result = RAND_pseudo_bytes((unsigned char)buf, count);
^
In file included from /usr/include/openssl/e_os2.h:13:0,
from /usr/include/openssl/ossl_typ.h:19,
from /usr/include/openssl/rand.h:14,
from /home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/rand.cpp:1:
/usr/include/openssl/rand.h:44:1: note: declared here
DEPRECATEDIN_1_1_0(int RAND_pseudo_bytes(unsigned char *buf, int num))
^
/home/gitlab-runner/builds/qk1zxGTz/0/PBSA/peerplays/libraries/fc/src/crypto/rand.cpp:20:14: warning: unused variable 'init' [-Wunused-variable]
static int init = init_openssl();
^~~~\

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