KEYS: Strip trailing spaces

Strip some trailing spaces.
Signed-off-by: NDavid Howells <dhowells@redhat.com>

include/keys/rxrpc-type.h

@@ -51,7 +51,7 @@ struct krb5_principal {
 struct krb5_tagged_data {
 	/* for tag value, see /usr/include/krb5/krb5.h
 	 * - KRB5_AUTHDATA_* for auth data
-	 * - 
+	 * -
 	 */
 	s32		tag;
 	u32		data_len;

security/keys/persistent.c

@@ -114,7 +114,7 @@ static long key_get_persistent(struct user_namespace *ns, kuid_t uid,
 		ret = key_link(key_ref_to_ptr(dest_ref), persistent);
 		if (ret == 0) {
 			key_set_timeout(persistent, persistent_keyring_expiry);
-			ret = persistent->serial;		
+			ret = persistent->serial;
 		}
 	}
 

security/keys/request_key.c

@@ -442,7 +442,7 @@ static struct key *construct_key_and_link(struct keyring_search_context *ctx,
 
 	if (ctx->index_key.type == &key_type_keyring)
 		return ERR_PTR(-EPERM);
-	
+
 	user = key_user_lookup(current_fsuid());
 	if (!user)
 		return ERR_PTR(-ENOMEM);