Update gitignore for files created when running tests.
diff --git a/.gitignore b/.gitignore
index cecb64d..46d0de5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -74,4 +74,6 @@
 src/testdir/test*.failed
 src/testdir/test.log
 src/testdir/dostmp/*
+src/testdir/messages
+src/testdir/viminfo
 src/memfile_test