vimrc: Fix CHANGELOG date

Wanted to capture the fact that the `g:netrw_liststyle` change was made
on 2015.06.02 but forgot to change to today's date when adding the
CHANGELOG entry for the `<leader>or` change.

1 files changed, 2 insertions, 0 deletions

diff --git a/vimrc b/vimrc
index 7a295b5..c87f6e0 100644
--- a/vimrc
+++ b/vimrc
@@ -274,6 +274,8 @@
 "         which functions more like NERDTree by not going to a new "page" when 
 "         changing directories. With this change I think we can uninstall 
 "         NERDTree.
+"
+"   2015.06.04:
 "       * Add <leader>or mapping to open the current file in ranger.
 "