Fix cmake build

CMakeLists.txt

@@ -77,6 +77,7 @@ if(NOT APPLE)
 else()
 	set(CRYPTO_LIBRARY "-framework Security")
 endif()
+find_package(OpenSSL REQUIRED)
 
 find_package(Boost ${BOOST_VERSION} REQUIRED COMPONENTS iostreams
 	program_options regex system thread random coroutine)

src/CMakeLists.txt

@@ -68,6 +68,7 @@ endif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 set(game-external-libs
 	${common-external-libs}
 	${CRYPTO_LIBRARY}
+	${OPENSSL_SSL_LIBRARY}
 	${Boost_SYSTEM_LIBRARIES}
 	${Boost_RANDOM_LIBRARY}
 	${Boost_THREAD_LIBRARY}
@@ -94,6 +95,7 @@ set(server-external-libs
 	${Boost_RANDOM_LIBRARY}
 	${Boost_COROUTINE_LIBRARY}
 	${CRYPTO_LIBRARY}
+	${OPENSSL_SSL_LIBRARY}
 	${MYSQL_LIBS}
 	-lpthread
 )