en to en_GB translation catalogue (5 entries)

note: i18n: ectx: property (text), item, widget (QComboBox, transportComboBox)
en: ssl
en_GB: SSL

note: i18n: ectx: property (text), item, widget (QComboBox, transportComboBox)
en: tcp
en_GB: TCP

note: i18n: ectx: property (text), item, widget (QComboBox, authenticationComboBox)
en: ntlm
en_GB: NTLM

note: i18n: ectx: property (text), item, widget (QComboBox, authenticationComboBox)
en: krb5
en_GB: KRB5

note: i18n: ectx: property (text), item, widget (QComboBox, authenticationComboBox)
en: tls-dsk
en_GB: TLS-DSK
