Added HAS_COLLECTIONS_IFACE macro
Added HAS_COLLECTIONS_IFACE macro

Fixes: https://bugs.meego.com/show_bug.cgi?id=13971

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