msvcrt: Use WINAPIV calling convention for variadic functions.

dlls/msvcr80/tests/msvcr80.c

@@ -57,7 +57,7 @@ typedef struct
 
 static ioinfo **__pioinfo;
 
-static int (__cdecl *p__open)(const char *, int, ...);
+static int (WINAPIV *p__open)(const char *, int, ...);
 static int (__cdecl *p__close)(int);
 static intptr_t (__cdecl *p__get_osfhandle)(int);
 static int (__cdecl *p_strcmp)(const char *, const char *);

dlls/msvcr90/tests/msvcr90.c

@@ -111,7 +111,7 @@ static int (__cdecl *p_controlfp_s)(unsigned int *, unsigned int, unsigned int);
 static int (__cdecl *p_tmpfile_s)(FILE**);
 static int (__cdecl *p_atoflt)(_CRT_FLOAT *, char *);
 static unsigned int (__cdecl *p_set_abort_behavior)(unsigned int, unsigned int);
-static int (__cdecl *p__open)(const char *, int, ...);
+static int (WINAPIV *p__open)(const char *, int, ...);
 static int (__cdecl *p__close)(int);
 static intptr_t (__cdecl *p__get_osfhandle)(int);
 static int (__cdecl *p_sopen_s)(int*, const char*, int, int, int);

dlls/msvcrt/file.c

@@ -5594,7 +5594,7 @@ int WINAPIV fprintf_s(FILE* file, const char *format, ...)
 /*********************************************************************
  *    _fprintf_l (MSVCRT.@)
  */
-int CDECL _fprintf_l(FILE* file, const char *format, _locale_t locale, ...)
+int WINAPIV _fprintf_l(FILE* file, const char *format, _locale_t locale, ...)
 {
     va_list valist;
     int res;
@@ -5608,7 +5608,7 @@ int CDECL _fprintf_l(FILE* file, const char *format, _locale_t locale, ...)
 /*********************************************************************
  *    _fprintf_p (MSVCRT.@)
  */
-int CDECL _fprintf_p(FILE* file, const char *format, ...)
+int WINAPIV _fprintf_p(FILE* file, const char *format, ...)
 {
     va_list valist;
     int res;
@@ -5621,7 +5621,7 @@ int CDECL _fprintf_p(FILE* file, const char *format, ...)
 /*********************************************************************
  *    _fprintf_p_l (MSVCRT.@)
  */
-int CDECL _fprintf_p_l(FILE* file, const char *format, _locale_t locale, ...)
+int WINAPIV _fprintf_p_l(FILE* file, const char *format, _locale_t locale, ...)
 {
     va_list valist;
     int res;
@@ -5634,7 +5634,7 @@ int CDECL _fprintf_p_l(FILE* file, const char *format, _locale_t locale, ...)
 /*********************************************************************
  *    _fprintf_s_l (MSVCRT.@)
  */
-int CDECL _fprintf_s_l(FILE* file, const char *format, _locale_t locale, ...)
+int WINAPIV _fprintf_s_l(FILE* file, const char *format, _locale_t locale, ...)
 {
     va_list valist;
     int res;