staging: smbfs building fix

Building error for smbfs:

drivers/staging/smbfs/dir.c:286: error: static declaration of 'smbfs_dentry_operations' follows non-static declaration
drivers/staging/smbfs/proto.h:42: error: previous declaration of 'smbfs_dentry_operations' was here
drivers/staging/smbfs/dir.c:294: error: static declaration of 'smbfs_dentry_operations_case' follows non-static declaration
drivers/staging/smbfs/proto.h:41: error: previous declaration of 'smbfs_dentry_operations_case' was here
make[3]: *** [drivers/staging/smbfs/dir.o] Error 1
make[2]: *** [drivers/staging/smbfs] Error 2
make[1]: *** [drivers/staging] Error 2
make[1]: *** Waiting for unfinished jobs....

Fix it by removing static keywords

Signed-off-by: Yang Ruirui <[e-mail]>
Signed-off-by: Al Viro <[e-mail]>

drivers/staging/smbfs/dir.c

···
 		unsigned int, const char *, const struct qstr *);
 static int smb_delete_dentry(const struct dentry *);
 
-static const struct dentry_operations smbfs_dentry_operations =
+const struct dentry_operations smbfs_dentry_operations =
 {
 	.d_revalidate	= smb_lookup_validate,
 	.d_hash		= smb_hash_dentry,
···
 	.d_delete	= smb_delete_dentry,
 };
 
-static const struct dentry_operations smbfs_dentry_operations_case =
+const struct dentry_operations smbfs_dentry_operations_case =
 {
 	.d_revalidate	= smb_lookup_validate,
 	.d_delete	= smb_delete_dentry,