fix MSVC build

src/sasl.c

@@ -21,24 +21,14 @@
 
 #include "strophe.h"
 #include "common.h"
+#include "ostypes.h"
 #include "sasl.h"
 #include "md5.h"
 #include "sha1.h"
 #include "scram.h"
 
-/* make sure the stdint.h types are available */
-#if defined(_MSC_VER) /* Microsoft Visual C++ */
-  typedef signed char             int8_t;
-  typedef short int               int16_t;
-  typedef int                     int32_t;
-  typedef __int64                 int64_t;
-
-  typedef unsigned char             uint8_t;
-  typedef unsigned short int        uint16_t;
-  typedef unsigned int              uint32_t;
-  /* no uint64_t */
-#else
-#include <stdint.h>
+#ifdef _WIN32
+#define strtok_r strtok_s
 #endif