cifs: rename "extended_security" to "global_secflags"

...since that more accurately describes what that variable holds.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --cc fs/cifs/cifs_debug.c
Simple merge

diff --cc fs/cifs/cifsencrypt.c
Simple merge

diff --cc fs/cifs/cifsfs.c
Simple merge

diff --cc fs/cifs/cifsglob.h
Simple merge

diff --cc fs/cifs/cifssmb.c
Simple merge

diff --cc fs/cifs/connect.c
Simple merge