add join classpath for eclipse

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_3x@1164067 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dev-tools/eclipse/dot.classpath b/dev-tools/eclipse/dot.classpath
index 2baf3e2..77e60af 100644
--- a/dev-tools/eclipse/dot.classpath
+++ b/dev-tools/eclipse/dot.classpath
@@ -28,6 +28,8 @@
 	<classpathentry kind="src" path="lucene/contrib/icu/src/test"/>
 	<classpathentry kind="src" path="lucene/contrib/instantiated/src/java"/>
 	<classpathentry kind="src" path="lucene/contrib/instantiated/src/test"/>
+	<classpathentry kind="src" path="lucene/contrib/join/src/java"/>
+	<classpathentry kind="src" path="lucene/contrib/join/src/test"/>
 	<classpathentry kind="src" path="lucene/contrib/memory/src/java"/>
 	<classpathentry kind="src" path="lucene/contrib/memory/src/test"/>
 	<classpathentry kind="src" path="lucene/contrib/misc/src/java"/>