Added includes that are only used in DEBUG builds

Change-Id: I80f835ce31d44c1df32955fdc48f0accfb062747
Reviewed-on: https://gerrit.libreoffice.org/52162Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

extensions/source/update/feed/updatefeed.cxx

@@ -58,6 +58,10 @@
 #include <osl/conditn.hxx>
 #include <vcl/svapp.hxx>
 
+#ifdef DEBUG
+#include <com/sun/star/io/NotConnectedException.hpp>
+#include <com/sun/star/io/BufferSizeExceededException.hpp>
+#endif
 namespace beans = com::sun::star::beans ;
 namespace container = com::sun::star::container ;
 namespace deployment = com::sun::star::deployment ;