Fixes JRCS build.
Lubomir Kundrak <lkundrak@redhat.com>

diff -urp opengrok-0.5-c4dea0135445.orig/jrcs/src/java/org/apache/commons/jrcs/rcs/Archive.java opengrok-0.5-c4dea0135445/jrcs/src/java/org/apache/commons/jrcs/rcs/Archive.java
--- opengrok-0.5-c4dea0135445.orig/jrcs/src/java/org/apache/commons/jrcs/rcs/Archive.java	2006-03-21 18:47:56.000000000 +0100
+++ opengrok-0.5-c4dea0135445/jrcs/src/java/org/apache/commons/jrcs/rcs/Archive.java	2008-02-18 21:33:10.000000000 +0100
@@ -59,6 +59,7 @@ package org.apache.commons.jrcs.rcs;
 
 import java.io.*;
 import java.util.*;
+import java.text.*;
 
 import org.apache.commons.jrcs.diff.Diff;
 import org.apache.commons.jrcs.diff.DiffException;