install svn on xamp

[webpages4me]

Dear all
i need to install svn server to xamp server
when i put LoadModule dav_svn_module modules/mod_dav_svn.so
this line on httpd.conf the server can't run and give me that error
Error 139! Couldn't start Apache!
XAMPP: Starting diagnose...
XAMPP: Sorry, I've no idea what's going wrong.

note i cpoied this module in /opt/lampp/modules

plz help me