Cleanup cifssmb.c

The purpose of this commit is to fix spacing and 
clean up code so that it mirrors the cifssmb.c 
made from the commit "cifs: silence compiler 
warnings showing up with gcc-4.7.0" by 
Jeff Layton <jlayton@redhat.com> which is now 
part of kernel version 3.0.91 located at
Change-ID a9d8aaedf15cc981df0aebda88b113eeee9c5cab  

Change-Id: I51b518582d860345fa345a3b27aa646c9577383f