Fix mapping of DSOs with holes

[Roland McGrath]

> 2004-05-18  Andreas Schwab  <schwab@suse.de>
> 
> 	* elf/dl-load.c (_dl_map_object_from_fd): Use the end address of
> 	the first segment for mprotect, not l_text_end.

I've put this in now.


Thanks,
Roland