[opensuse-translation] Outdated URL in zypper.po (#533606)

just a short note that http://en.opensuse.org/Zypper#Troubleshooting has been changed to http://en.opensuse.org/Zypper/Troubleshooting (and is also available in some localized pages) Regards Michael -- When neither their poverty nor their honor is touched, the majority of men live content. -- Niccolo Machiavelli