Performance issue with GNU/ld and DLL

[nick clifton]

Hi Pascal,

   I agree with Kai - the patch is OK.  There were a couple of very 
minor formatting issues, but I have fixed these and checked the patch in 
along with this changelog entry.

Cheers
   Nick

ld/ChangeLog
2012-02-11  Pascal Obry  <pascal@obry.net>

	* pe-dll.c (auto_export): Use bsearch to speed up scan of exports
	table.
	(process_def_file_and_drectve): Maintain sorting of exports table
	after stripping leading @ signs.