Fix distcheck errors
Fix distcheck errors

Distrotech/librevenge,cpjreynolds/libwpd,Distrotech/libpwd,Distrotech/librevenge,Distrotech/librevenge,cpjreynolds/libwpd,Distrotech/libpwd,Distrotech/librevenge,cpjreynolds/libwpd,Distrotech/librevenge,Distrotech/libpwd,Distrotech/libpwd