msvcrt: Old versions of _vsnprintf() treat the size as a signed int.

When they see -1 they consider that the buffer is too small and return
an error. So impose a 2 GB limit on sprintf() for backward
compatibility with XP and 2003.

Signed-off-by: Francois Gouget <fgouget@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

include/msvcrt/stdio.h

@@ -286,7 +286,7 @@ static inline int WINAPIV sprintf(char *buffer, const char *format, ...)
     __ms_va_list args;
 
     __ms_va_start(args, format);
-    ret = _vsnprintf(buffer, (size_t)-1, format, args);
+    ret = _vsnprintf(buffer, (size_t)_CRT_INT_MAX, format, args);
     __ms_va_end(args);
     return ret;
 }