Fix various warnings

code/qcommon/q_shared.h

@@ -162,21 +162,7 @@ typedef int intptr_t;
 #include <time.h>
 #include <ctype.h>
 #include <limits.h>
-
-#ifdef _MSC_VER
-  #include <io.h>
-
-  typedef __int64 int64_t;
-  typedef __int32 int32_t;
-  typedef __int16 int16_t;
-  typedef __int8 int8_t;
-  typedef unsigned __int64 uint64_t;
-  typedef unsigned __int32 uint32_t;
-  typedef unsigned __int16 uint16_t;
-  typedef unsigned __int8 uint8_t;
-#else
-  #include <stdint.h>
-#endif
+#include <stdint.h>
 
 #ifdef _WIN32
   // vsnprintf is ISO/IEC 9899:1999