Fixed lost of passwords.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3730 b35dd754-fafc-0310-a699-88a17e54d16e

src/database/upgrade/6/wildfire_hsqldb.sql

@@ -11,5 +11,5 @@ CREATE TABLE jiveVersion (
 INSERT INTO jiveVersion (name, version) VALUES ('wildfire', 6);
 
 # Make password column accept null, add encrypted password column.
-ALTER TABLE jiveUser ALTER COLUMN password NULL;
+ALTER TABLE jiveUser ALTER COLUMN password VARCHAR(32);
 ALTER TABLE jiveUser ADD COLUMN encryptedPassword VARCHAR(255) BEFORE name;
\ No newline at end of file