Changed field type of username in jiveGroupUser.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@304 b35dd754-fafc-0310-a699-88a17e54d16e

src/database/messenger_hsqldb.sql

@@ -104,7 +104,7 @@ CREATE TABLE jiveGroupProp (
 
 CREATE TABLE jiveGroupUser (
   groupID               BIGINT          NOT NULL,
-  username              BIGINT          NOT NULL,
+  username              VARCHAR(32)     NOT NULL,
   administrator         INTEGER         NOT NULL,
   CONSTRAINT jiveGroupUser_pk PRIMARY KEY (groupID, username, administrator)
 );