Made a minor error with all the messing around with aknlayout.lag which meant it got performed on the default branch.
#include <platform_paths.hrh>
PRJ_EXPORTS
sispackagetrust.h swi\sispackagetrust.h
sisregistryentry.h swi\sisregistryentry.h
sisregistrylog.h swi\sisregistrylog.h
sisregistrysession.h swi\sisregistrysession.h