[CIFS] Various minor bigendian fixes and sparse level 2 warning message fixes

Most important of these fixes mapchars on bigendian and a few statfs fields

Signed-off-by: Shaggy (shaggy@austin.ibm.com)
Signed-off-by: Steve French (sfrench@us.ibm.com)

diff --cc fs/cifs/CHANGES
Simple merge

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

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

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

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

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

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

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