Fix typo in urn:xmpp:jingle:transports:dtls-sctp:1
Fix typo in urn:xmpp:jingle:transports:dtls-sctp:1

There was a period instead of a colon in the urn:xmpp:jingle:transports:dtls-sctp:1 feature string
legastero/stanza.io,legastero/stanza.io,Palid/stanza.io,Palid/stanza.io,otalk/stanza.io,otalk/stanza.io