x Preventing a crash when MI->Config.File_Names_Pos is 0 (this case should never happen but it was seen during random seek requests)

git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6440 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da
+ Moving creation of human readable strings to the end of the parsing

git-svn-id: svn://svn.code.sf.net/p/mediainfo/code/MediaInfoLib/trunk@6441 45c5ae6f-87cc-4fd0-92ee-e4f023fd80da