Hans-Christoph Steiner d37b473e10 temporary workaround to NPE crash on first install
The solution is really to get rid of the Fragment and do everything in the
Activity, especially since this nullguard will probably leave things in a
not good state.  But that's better than a crash, I think.

W  java.lang.NullPointerException
W      at org.fdroid.fdroid.views.fragments.AvailableAppsFragment$CategoryObserver.onChange(AvailableAppsFragment.java:88)
W      at org.fdroid.fdroid.views.fragments.AvailableAppsFragment$CategoryObserver.onChange(AvailableAppsFragment.java:103)
W      at android.database.ContentObserver.dispatchChange(ContentObserver.java:163)
W      at android.database.ContentObserver$Transport.onChange(ContentObserver.java:195)
W      at android.database.IContentObserver$Stub.onTransact(IContentObserver.java:60)
W      at android.os.Binder.execTransact(Binder.java:404)
W      at dalvik.system.NativeStart.run(Native Method)
2015-09-16 13:00:32 +02:00
..
2015-09-16 00:19:11 +02:00
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