.gitignore: Ignore the tarballs created by "make distcheck"

.gitignore

diff --git a/.gitignore b/.gitignore
index e9d5794..b815e0b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,6 @@
 *.o
+*.tar.bz2
+*.tar.gz
 .deps/
 .libs/
 Makefile