[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>

fs/cifs/md5.h

@@ -27,12 +27,12 @@ void MD5Final(unsigned char digest[16], struct MD5Context *context);
 
 /* The following definitions come from lib/hmacmd5.c  */
 
-void hmac_md5_init_rfc2104(unsigned char *key, int key_len,
-			struct HMACMD5Context *ctx);
+/* void hmac_md5_init_rfc2104(unsigned char *key, int key_len,
+			struct HMACMD5Context *ctx);*/
 void hmac_md5_init_limK_to_64(const unsigned char *key, int key_len,
 			struct HMACMD5Context *ctx);
 void hmac_md5_update(const unsigned char *text, int text_len,
 			struct HMACMD5Context *ctx);
 void hmac_md5_final(unsigned char *digest, struct HMACMD5Context *ctx);
-void hmac_md5(unsigned char key[16], unsigned char *data, int data_len,
-			unsigned char *digest);
+/* void hmac_md5(unsigned char key[16], unsigned char *data, int data_len,
+			unsigned char *digest);*/