[PATCH 2/2] Speedup part #2

[Nick Clifton]

Hi Eric,

> 2018-03-13  Eric Botcazou  <ebotcazou@adacore.com
> 
> ld/
> 	* deffile.h (def_file_add_import_from): Declare.
> 	(def_file_add_import_at): Likewise.
> 	* deffilep.y (fill_in_import): New function extracted from...
> 	(def_file_add_import): ...here.  Call it.
> 	(def_file_add_import_from): New function.
> 	(def_file_add_import_at): Likewise.
> 	* pe-dll.c (pe_implied_import_dll): Use an optimized version of the
> 	insertion loop for imported symbols if possible.

Approved - please apply.

Cheers
  Nick