ignore PDE build artifacts
diff --git a/thirdparty/org.apache.cactus/.cvsignore b/thirdparty/org.apache.cactus/.cvsignore
new file mode 100644
index 0000000..03a2c5e
--- /dev/null
+++ b/thirdparty/org.apache.cactus/.cvsignore
@@ -0,0 +1,2 @@
+build.xml
+org.apache.cactus_1.7.2.200604260124.zip