Explicitely link to Boost::log on non-win32 platforms

This fixes linker errors related to boost log library.

Author: luk1337

CMakeLists.txt

@@ -350,6 +350,10 @@ list(APPEND SUNSHINE_EXTERNAL_LIBRARIES
 		${OPENSSL_LIBRARIES}
 		${PLATFORM_LIBRARIES})
 
+if (NOT WIN32)
+	list(APPEND SUNSHINE_EXTERNAL_LIBRARIES Boost::log)
+endif()
+
 list(APPEND SUNSHINE_DEFINITIONS SUNSHINE_ASSETS_DIR="${SUNSHINE_ASSETS_DIR}")
 list(APPEND SUNSHINE_DEFINITIONS SUNSHINE_CONFIG_DIR="${SUNSHINE_CONFIG_DIR}")
 list(APPEND SUNSHINE_DEFINITIONS SUNSHINE_DEFAULT_DIR="${SUNSHINE_DEFAULT_DIR}")