[cmake] add openssl includes for tests to compile properly
Summary:
As per title, this is required to build tests when openssl is in a custom location.
Fixes the following error:
[257/259] Building CXX object src/test/CMakeFiles/test_bitcoin.dir/__/wallet/test/crypto_tests.cpp.o FAILED: src/test/CMakeFiles/test_bitcoin.dir/__/wallet/test/crypto_tests.cpp.o ccache /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -DBOOST_TEST_DYN_LINK -DHAVE_CONFIG_H -DLEVELDB_ATOMIC_PRESENT -DLEVELDB_PLATFORM_POSIX -DOS_MACOSX -Isrc/test -isystem /usr/local/include -I../src/univalue/include -I../src/. -Isrc -Isrc/crypto/.. -I../src/secp256k1/include -I../src/leveldb/include -Wall -Wextra -Wformat -Wvla -Wformat-security -Wcast-align -Wunused-parameter -Wno-unused-parameter -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk -fvisibility=hidden -std=gnu++11 -MD -MT src/test/CMakeFiles/test_bitcoin.dir/__/wallet/test/crypto_tests.cpp.o -MF src/test/CMakeFiles/test_bitcoin.dir/__/wallet/test/crypto_tests.cpp.o.d -o src/test/CMakeFiles/test_bitcoin.dir/__/wallet/test/crypto_tests.cpp.o -c ../src/wallet/test/crypto_tests.cpp ../src/wallet/test/crypto_tests.cpp:12:10: fatal error: 'openssl/aes.h' file not found #include <openssl/aes.h> ^~~~~~~~~~~~~~~ 1 error generated.
Test Plan:
cmake && ninja check
Reviewers: #bitcoin_abc, deadalnix
Reviewed By: #bitcoin_abc, deadalnix
Subscribers: deadalnix, teamcity
Differential Revision: https://reviews.bitcoinabc.org/D1348