schema: add Channel.key

git-svn-id: file:///srv/svn/repo/suika/trunk@94 f0ae65fe-ee39-954e-97ec-027ff2717ef4

schema.sql

@@ -19,6 +19,7 @@ CREATE TABLE Channel (
 	id INTEGER PRIMARY KEY,
 	network INTEGER NOT NULL,
 	name VARCHAR(255) NOT NULL,
+	key VARCHAR(255),
 	FOREIGN KEY(network) REFERENCES Network(id),
 	UNIQUE(network, name)
 );