twitter: Don't leak the set
twitter: Don't leak the set

Part of the fix for: http://bugzilla.meego.com/show_bug.cgi?id=88

GNOME/libsocialweb,lcp/libsocialweb,ThomasBollmeier/libsocialweb-flickr-oauth,ThomasBollmeier/libsocialweb-flickr-oauth,GNOME/libsocialweb,lcp/libsocialweb,lcp/libsocialweb,ThomasBollmeier/libsocialweb-flickr-oauth,GNOME/libsocialweb