[binutils-gdb] Implement vFile:fstat: in gdbserver

[sergiodj+buildbot@redhat.com]

*** TEST RESULTS FOR COMMIT aa9e327f1e8552cd47cc8f4b9daa782930469e60 ***

Author: Gary Benson <gbenson@redhat.com>
Branch: master
Commit: aa9e327f1e8552cd47cc8f4b9daa782930469e60

Implement vFile:fstat: in gdbserver
This commit implements the "vFile:fstat:" packet in gdbserver.

gdb/gdbserver/ChangeLog:

	* hostio.c (sys/types.h): New include.
	(sys/stat.h): Likewise.
	(common-remote-fileio.h): Likewise.
	(handle_fstat): New function.
	(handle_vFile): Handle vFile:fstat packets.
	* server.c (handle_query): Report vFile:fstat as supported.