file access: don't use PathIsNetworkPath in store app

modules/access/file.c

@@ -112,7 +112,7 @@ static bool IsRemote (int fd)
 #else /* WIN32 || __OS2__ */
 static bool IsRemote (const char *path)
 {
-# if !defined(__OS2__)
+# if !defined(__OS2__) && !defined(WINAPI_FAMILY_APP)
     wchar_t *wpath = ToWide (path);
     bool is_remote = (wpath != NULL && PathIsNetworkPathW (wpath));
     free (wpath);