core: switch the Win32/x64 binaries to the Windows subsystem so that they

do not open a console at startup.

neercs/neercs.cpp

@@ -27,7 +27,7 @@
 #   include <cmath>
 #endif
 
-#if USE_SDL && defined __APPLE__
+#if USE_SDL
 #   include <SDL_main.h>
 #endif