contrib/svn-fe: Add the svn-fe target to .gitignore

Add the svn-fe target to .gitignroe.

Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

contrib/svn-fe/.gitignore

@@ -1,3 +1,4 @@
 /*.xml
 /*.1
 /*.html
+/svn-fe