HOTFIX: getData' NullPointerException

After sending a query in SSAP Query Browser a NullPointerException was
thrown:

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at
uk.ac.starlink.splat.vo.SSAServerList.isServerSelected(SSAServerList.java:380)
at
uk.ac.starlink.splat.vo.SSAQueryBrowser.doQuery(SSAQueryBrowser.java:1231)
at
uk.ac.starlink.splat.vo.SSAQueryBrowser.actionPerformed(SSAQueryBrowser.java:2294)
...