strlen cannot be less than zero

diff --git a/.vimrc b/.vimrc
index eee8502433d658340bd2c56f349e51e7c33daaf1..f7404f702f8ec8eb550357bdc8b25dbad9188a41 100644 (file)
--- a/.vimrc
+++ b/.vimrc
@@ -289,7 +289,7 @@ autocmd BufReadPost * call RestorePosition()
 
 
 function! SetupEncoding(encoding)
-   if !has("iconv") || exists('b:encoding_set') || strlen(a:encoding) <= 0
+   if !has("iconv") || exists('b:encoding_set') || strlen(a:encoding) == 0
       return
    endif