Mention the section name for malformed .plugin files
Mention the section name for malformed .plugin files

This would have saved me some time, trying to port an old plugin
with the section "[Totem Plugin]" instead of "[Plugin]".

https://bugzilla.gnome.org/show_bug.cgi?id=679507

chergert/libpeas,gregier/libpeas,Distrotech/libpeas,gregier/libpeas,Distrotech/libpeas,gregier/libpeas,gregier/libpeas,GNOME/libpeas,Distrotech/libpeas,chergert/libpeas,GNOME/libpeas,chergert/libpeas