message: Add a message for rt_header and _start
diff: @@ -57,6 +57,9 @@ SECTIONS {
  * to look up.
  */
  .start ALIGN(4) : {
  + /* We combine rt_header and _start into a single section. If we don't,
  + * elf2tab does not parse the ELF file correctly for unknown reasons.
  + */
  rt_header = .;
  LONG(start);
  LONG(ADDR(.bss) + SIZEOF(.bss)); /* Initial process break */
  