http://bugs.winehq.org/show_bug.cgi?id=19735
--- Comment #3 from Rosanne DiMesio dimesio@earthlink.net 2009-08-15 15:03:52 --- Strange; it fixed it here.
Do you also have the override set for riched20? And did you actually add the labels--right click on the graph and select "add data labels? (They are not shown by default.)