Log Message:
libsoup: update to 2.68.2.

Changes in libsoup from 2.68.1 to 2.68.2:

        * Documentation fixes [Sonny Piers]

        * Windows compatibility test fixes [Ignacio Casal Quinteiro]

        * WebSockets: client_max_window_bits in server must have a value [Carlos \ 
Garcia Campos]

        * build: improve diagnostics when detecting Apache [Simon McVittie]

        * NTLM: Make v2 authentication more robust [Claudio Saavedra]

        * Updated translations: British English, Chinese (Taiwan), Danish, Dutch