docs: Fix a doubly-defined symbol in the GApplication documentation
docs: Fix a doubly-defined symbol in the GApplication documentation

Due to the line wrapping, gtk-doc was interpreting this second line as
redefining the @dbus_register documentation.

Signed-off-by: Philip Withnall <29c2a2ac2a854b9cf047275aa9de346d096be2e0@endlessm.com>

endlessm/glib,endlessm/glib,endlessm/glib,endlessm/glib,endlessm/glib