Ignore vim 'tmp' files

See the last commit; backups, swaps and undo files are now under ~/.vim,
which means they show up under this repo in vim.  Ignore them.

diff --git a/.gitignore b/.gitignore
index 2464a6497e488ae8e424d4beabfc0d1939dee5da..9087ce846c91758807c9ce10bbe22eccf7442a25 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,5 @@
 /vim/.netrwhist
 /vim/tmp
+/vim/backup
+/vim/swap
+/vim/undo