Add MSVC 2010 project file and a make the project compile

src/readline.c

@@ -47,6 +47,7 @@
 #ifdef __WIN32__
 #include <windows.h>
 #include <SDL_syswm.h>
+
 #elif defined __HAIKU__
 #include "haiku.h"
 #elif defined(__AROS__)
@@ -57,6 +58,11 @@
 #include <SDL_screenkeyboard.h>
 #endif
 
+#ifdef _MSC_VER
+#include <stdio.h>
+#define snprintf _snprintf
+#endif
+
 // Virtual keyboard is ON by default on these platforms:
 #if defined(__GP2X__) || defined(__WIZ__) || defined(__CAANOO__) || defined(GCWZERO)
   #define VIRT_KEY_DEFAULT_ON 1