[CIFS] Fix paths when share is in DFS to include proper prefix

Some versions of Samba (3.2-pre e.g.) are stricter about checking to make sure that
paths in DFS name spaces are sent in the form \\server\share\dir\subdir ...
instead of \dir\subdir

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

fs/cifs/cifsproto.h

@@ -150,9 +150,6 @@ extern int CIFSGetDFSRefer(const int xid, struct cifsSesInfo *ses,
 			unsigned int *number_of_UNC_in_array,
 			const struct nls_table *nls_codepage, int remap);
 
-extern int connect_to_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
-			const char *old_path,
-			const struct nls_table *nls_codepage, int remap);
 extern int get_dfs_path(int xid, struct cifsSesInfo *pSesInfo,
 			const char *old_path,
 			const struct nls_table *nls_codepage,