SynEdit: Return past-end-of line attribute in multi line comments // support for p-eol attibute (missed file)

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43421 4005530d-fff6-0310-9dd1-cebe43e6787f
SynEdit: added comment

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43422 4005530d-fff6-0310-9dd1-cebe43e6787f