Be more aggressive when looking for the termination boundary
Be more aggressive when looking for the termination boundary

Turns out some servers may send line feeds and carriage return after the final
boundary. That's the case for the following WebKit LayoutTest:

    http/tests/multipart/load-last-non-html-frame.php

https://bugzilla.gnome.org/show_bug.cgi?id=685752

Distrotech/libsoup,jwendell/libsoup,Distrotech/libsoup,fanc999/libsoup,jwendell/libsoup,jwendell/libsoup,fanc999/libsoup,jwendell/libsoup,Distrotech/libsoup,Distrotech/libsoup,fanc999/libsoup,jwendell/libsoup,Distrotech/libsoup,fanc999/libsoup,fanc999/libsoup