gdb: adjust x_file fields on COFF readers

[Simon Marchi]

On 2021-11-10 07:42, CHIGOT, CLEMENT via Gdb-patches wrote:
> The patch made for PR 28447 changes the structure associated to the
> internal representation of files in COFF formats.
> However, gdb directory update has been forgotten.
> This patch fixes it.
> 
> Changelog/gdb:
> 2021-11-10  Clément Chigot  <clement.chigot@atos.net>
> 
> 	* gdb/coffread.c (coff_getfilename): Adjust names of x_file
> 	fields.
> 	* gdb/xcoffread.c (coff_getfilename): Likewise.
> 
> 

Thanks, I adjusted the commit message and pushed.

Simon