#8358 Encoding of link from repo diff page to main page
Followup to [#8357] On a diff page, where it says "Diff of X" the X link isn't url encoded properly.
example on SourceForge https://sourceforge.net/p/phpwiki/code/10167/tree//trunk/pgsrc/Help%252FCalendarListPlugin?diff=5076df40bfc09e3c30c7fac4:10166