Update .gitignore

Change-Id: Iacdde44d45ee77e605207335ed4599f0f24c854c
diff --git a/.gitignore b/.gitignore
index 18831b2..49afac3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,5 @@
 *.w2v
+*~
+*.bz2
+*.xz
+*.gz