the wxwindows team will be removing wxGTK-2.4 in the very near future. the following patch fixes the zphoto-1.2-r2 ebuild to force wxGTK-2.6 and also cleans out some special code that is already handled by wxwidgets.eclass.
Created attachment 108336 [details, diff] zphoto-1.2-r2.ebuild.diff
Committed.