message: Don't drop the host aliases pointer vector in `gethostent`
  There are pointers to this vector in `HOST_ENTRY` so we must keep it around for
  as long as `HOST_ENTRY` exists.
diff: @@ -120,6 +120,7 @@ static mut HOST_ENTRY: hostent = hostent {
  };
  static mut HOST_NAME: Option<Vec<u8>> = None;
  static mut HOST_ALIASES: Option<Vec<Vec<u8>>> = None;
  +static mut _HOST_ALIASES: Option<Vec<*mut i8>> = None;
  static mut HOST_ADDR: Option<in_addr> = None;
  static mut HOST_ADDR_LIST: [*mut c_char; 2] = [ptr::null_mut(); 2];
  static mut _HOST_ADDR_LIST: [u8; 4] = [0u8; 4];
  @@ -649,6 +650,7 @@ pub unsafe extern "C" fn gethostent() -> *const hostent {
  h_length: 4,
  h_addr_list: HOST_ADDR_LIST.as_mut_ptr(),
  };
  + _HOST_ALIASES = Some(host_aliases);
  if HOST_STAYOPEN == 0 {
  endhostent();
  }
  