fix linux compatibility

gframe/game.cpp

@@ -12,6 +12,7 @@
 #ifndef WIN32
 #include <sys/types.h>
 #include <dirent.h>
+#include <unistd.h>
 #endif
 
 const unsigned short PRO_VERSION = 0x1320;
@@ -37,7 +38,11 @@ void Game::MainServerLoop(int bDuel_mode) {
     NetServer::StartServer(aServerPort);
     NetServer::Initduel(bDuel_mode);
 	while(NetServer::net_evbase) {
+#ifdef WIN32
         Sleep(200);
+#else
+	usleep(200000);
+#endif
     }
 }
 

gframe/game.h

@@ -68,7 +68,7 @@ class Game {
 public:
 	bool Initialize();
 	void MainLoop();
-	void Game::MainServerLoop(int bDuel_mode);
+	void MainServerLoop(int bDuel_mode);
 	void BuildProjectionMatrix(irr::core::matrix4& mProjection, f32 left, f32 right, f32 bottom, f32 top, f32 znear, f32 zfar);
 	void SetStaticText(irr::gui::IGUIStaticText* pControl, u32 cWidth, irr::gui::CGUITTFont* font, wchar_t* text);
 	void RefreshDeck(irr::gui::IGUIComboBox* cbDeck);