This fixes the warning about missing file during build of javadoc for jrcs.

Lubomir Rintel <lkundrak@v3.sk>

diff -urp opengrok-0.6-src.orig/jrcs/build.xml opengrok-0.6-src/jrcs/build.xml
--- opengrok-0.6-src.orig/jrcs/build.xml	2008-04-16 00:15:23.000000000 +0200
+++ opengrok-0.6-src/jrcs/build.xml	2008-04-16 00:16:36.000000000 +0200
@@ -274,7 +274,6 @@
 			author="true"
 			version="true" 
 			private="yes"
-			overview="${java.dir}/org/apache/commons/jrcs/overview.html"
 			windowtitle="${app.name} API"
 			doctitle="${app.name}"
 			bottom="Copyright 2002 the Apache Software Foundation&lt;br&gt;