default value set issue in install script

Author: harshadyeola

install

@@ -120,8 +120,8 @@ function ee_sync_db()
            db_user VARCHAR,
            db_password VARCHAR,
            db_host VARCHAR,
-           is_hhvm INT,
-           is_pagespeed INT
+           is_hhvm INT INT DEFAULT '0',
+           is_pagespeed INT INT DEFAULT '0'
         );" | sqlite3 /var/lib/ee/ee.db
 
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