fpvectorial: Minor SVG rendering improvements

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41663 4005530d-fff6-0310-9dd1-cebe43e6787f
translations: German: updates from Swen Heinig

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41664 4005530d-fff6-0310-9dd1-cebe43e6787f