msvcrt: Don't forward _wtoi to ntdll.

dlls/msvcrt/msvcrt.spec

@@ -1222,7 +1222,7 @@
 # stub _wtmpnam_s(ptr long)
 @ cdecl _wtof(wstr) MSVCRT__wtof
 @ cdecl _wtof_l(wstr ptr) MSVCRT__wtof_l
-@ cdecl _wtoi(wstr) ntdll._wtoi
+@ cdecl _wtoi(wstr) MSVCRT__wtoi
 @ cdecl -ret64 _wtoi64(wstr) ntdll._wtoi64
 # stub -ret64 _wtoi64_l(wstr ptr)
 @ cdecl _wtoi_l(wstr ptr) MSVCRT__wtoi_l

dlls/msvcrt/wcs.c

@@ -1449,7 +1449,7 @@ __int64 CDECL MSVCRT__wcstoi64(const MSVCRT_wchar_t *nptr,
 /*********************************************************************
  *  _wtoi_l (MSVCRT.@)
  */
-int MSVCRT__wtoi_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
+int __cdecl MSVCRT__wtoi_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 {
     __int64 ret = MSVCRT__wcstoi64_l(str, NULL, 10, locale);
 
@@ -1464,6 +1464,14 @@ int MSVCRT__wtoi_l(const MSVCRT_wchar_t *str, MSVCRT__locale_t locale)
 }
 
 /*********************************************************************
+ *  _wtoi (MSVCRT.@)
+ */
+int __cdecl MSVCRT__wtoi(const MSVCRT_wchar_t *str)
+{
+    return MSVCRT__wtoi_l(str, NULL);
+}
+
+/*********************************************************************
  *  _wcstoui64_l (MSVCRT.@)
  *
  * FIXME: locale parameter is ignored