Set WIN32_LEAN_AND_MEAN, gets rid of the winsock2 warnings and probably

speeds up compilation a tiny bit

oh and NOMINMAX too for good measure while we're at it

src/CMakeLists.txt

@@ -180,6 +180,7 @@ endif()
 
 if (WIN32)
     target_link_libraries(core PRIVATE ole32 comctl32 wsock32 ws2_32)
+    target_compile_definitions(core PUBLIC WIN32_LEAN_AND_MEAN NOMINMAX)
 elseif(NOT APPLE AND NOT HAIKU)
     check_library_exists(rt shm_open "" NEED_LIBRT)
     if (NEED_LIBRT)