Add warning in a "can't happen" case
Add warning in a "can't happen" case

This is mostly to indicate that we did not forget error checking.

fanc999/libsoup,jwendell/libsoup,ahmedammar/platform_external_gst_libsoup,jwendell/libsoup,fanc999/libsoup,Distrotech/libsoup,Distrotech/libsoup,jwendell/libsoup,fanc999/libsoup,Distrotech/libsoup,ahmedammar/platform_external_gst_libsoup,fanc999/libsoup,Distrotech/libsoup,jwendell/libsoup,fanc999/libsoup,ahmedammar/platform_external_gst_libsoup,Distrotech/libsoup,jwendell/libsoup