#6300 prevent NPE at PageViewCreator.notifyDataSetChanged()
#6300 prevent NPE at PageViewCreator.notifyDataSetChanged()

tobiasge/cgeo,auricgoldfinger/cgeo,rsudev/c-geo-opensource,pstorch/cgeo,auricgoldfinger/cgeo,matej116/cgeo,S-Bartfast/cgeo,cgeo/cgeo,S-Bartfast/cgeo,kumy/cgeo,cgeo/cgeo,superspindel/cgeo,kumy/cgeo,tobiasge/cgeo,cgeo/cgeo,superspindel/cgeo,Bananeweizen/cgeo,rsudev/c-geo-opensource,Bananeweizen/cgeo,matej116/cgeo,tobiasge/cgeo,pstorch/cgeo,pstorch/cgeo,auricgoldfinger/cgeo,Bananeweizen/cgeo,S-Bartfast/cgeo,superspindel/cgeo,cgeo/cgeo,rsudev/c-geo-opensource,matej116/cgeo,kumy/cgeo