i18n: fix one i18n:msg in the error.html which didn't wrap all the needed tags.
i18n: fix one i18n:msg in the error.html which didn't wrap all the needed tags.

We had to use a `<span i18n:msg="..." py:strip="">` instead of the more direct `<i18n:msg params="...">` in order to work around the #G385 issue.

Closes #9307.


git-svn-id: f68c6b3b1dcd5d00a2560c384475aaef3bc99487@9631 af82e41b-90c4-0310-8c96-b1721e28e2e2

moreati/trac-gitsvn,dafrito/trac-mirror,exocad/exotrac,dafrito/trac-mirror,dafrito/trac-mirror,moreati/trac-gitsvn,moreati/trac-gitsvn,exocad/exotrac,dafrito/trac-mirror,moreati/trac-gitsvn,exocad/exotrac,exocad/exotrac