call-list: weak unref and then cancel, to avoid warnings
call-list: weak unref and then cancel, to avoid warnings

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