update gitignore

Change-Id: I71028c82b431b5ebcd3d39eaaf0e73f31bd855e8
diff --git a/.gitignore b/.gitignore
index 2c3fc27..2407f8d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
+/test/output/NKJP/NKJP/KOT/struct/gingko_structure.xml
+/test/output/NKJP/NKJP/KOT/nkjp/ginkgo_morpho.xml
+/test/output/NKJP/NKJP/KOT/ginkgo_text_header.xml
+/test/output/NKJP/ginkgo_corpus_header.xml
 /test/xspec/
 /todo.org
 \#*