build: Fix not installing .egg-info file
build: Fix not installing .egg-info file

While removing the egg target in 49cc3643819dad0d065d I wrongfully
removed that part as well. While the file extension has "egg" in
it it has nothing to do with eggs..

https://bugzilla.gnome.org/show_bug.cgi?id=777719

GNOME/pygobject,pexip/pygobject,pexip/pygobject,GNOME/pygobject,GNOME/pygobject,pexip/pygobject