fs/vfs/fs_open.c:  Fix error in vopen() function
'va_start' is used in function with fixed args.
'va_start'/'va_end' should not be used in vopen function,
because it has fixed arguments.
@@ -131,9 +131,7 @@ int vopen(FAR const char *path, int oflags, va_list ap)
/* If the file is opened for creation, then get the mode bits */
if ((oflags & (O_WRONLY | O_CREAT)) != 0) {
- va_start(ap, oflags);
mode = va_arg(ap, mode_t);
- va_end(ap);
}
#endif
