core: Ensure that _gdata_service_actually_send_message() never returns NONE
core: Ensure that _gdata_service_actually_send_message() never returns NONE

If the message was cancelled before _gdata_service_actually_send_message()
was called, it wasn't previously getting the correct status code
(SOUP_STATUS_CANCELLED) set.

pwithnall/libgdata,GNOME/libgdata,pwithnall/libgdata,Pecisk/libgdata-gtasks,Pecisk/libgdata,Pecisk/libgdata,Distrotech/libgdata,Distrotech/libgdata,Distrotech/libgdata,Pecisk/libgdata-gtasks,Pecisk/libgdata-gtasks,Pecisk/libgdata