kdelibs4 - en to zh_HK translation catalogue (2 entries)

en: Could not launch the mail client:
    
    %1
zh_HK: 無法執行電子郵件客戶程式：
    
    %1

note: i18n("Could not launch %1:\n\n%2", exe, error), i18n("Could not launch %1:\n\n%2", htmlApp->exec(), error),
en: Could not launch the browser:
    
    %1
zh_HK: 無法執行網頁瀏覽器：
    
    %1
