according to the current document's preference.
This is also fixes problems with templates on Windows which had
always Unix line ending characters but now since they are read
from files, these have Windows line ending characters and had been
converted twice.

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5114 ea778897-0a13-0410-b9d1-a72fbfd435f5