[CIFS] Remove static and unused symbols

Most cases of the ones found by Shaggy by
	"make namespacecheck"
could be removed or made static

Ack: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 22c937e..ca6e9b1 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -389,7 +389,7 @@
 	return;
 }
 
-int
+static int
 checkSMBhdr(struct smb_hdr *smb, __u16 mid)
 {
 	/* Make sure that this really is an SMB, that it is a response,