vimrc: fix undofile condtion

vim 7.3 is 703 not 730 and checking for features if better

Signed-off-by: Florian Pritz <bluewind@xinu.at>

1 files changed, 1 insertions, 1 deletions

diff --git a/.vimrc b/.vimrc
index 3db2d2d..2df499b 100644
--- a/.vimrc
+++ b/.vimrc
@@ -32,7 +32,7 @@ set display=uhex
 set listchars=tab:>\ ,eol:$
 set hidden
 set display+=lastline
-if version >= 730
+if exists("+undofile")
 	set undofile
 endif