Add _CRT_SECURE_NO_WARNINGS on windows;

CMakeLists.txt

@@ -5,6 +5,7 @@ add_library(http MODULE http.c)
 set_target_properties(http PROPERTIES PREFIX "")
 
 if(WIN32)
+  target_compile_definitions(http PRIVATE _CRT_SECURE_NO_WARNINGS)
   target_link_libraries(http wininet)
 elseif(APPLE)
   target_link_libraries(http objc)