message: by testing libhermit, don't use the section .mboot
diff: @@ -68,7 +68,7 @@ struct KernelHeader {
  }
  /// Kernel header to announce machine features
  -#[link_section = ".mboot"]
  +#[cfg_attr(not(test), link_section = ".mboot")]
  static mut KERNEL_HEADER: KernelHeader = KernelHeader {
  magic_number: 0xC0DE_CAFEu32,
  version: 0,
  