From 63fd9ed7bc5b3d46471a9b67b23db3fb3c3a4d60 Mon Sep 17 00:00:00 2001
From: Juan Jose Comellas <juanjo@comellas.org>
Date: Thu, 18 Jul 2013 22:06:24 -0300
Subject: [PATCH] Fix dialyzer warning

---
 src/getopt.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/getopt.erl b/src/getopt.erl
index 662d245..59e9cb7 100644
--- a/src/getopt.erl
+++ b/src/getopt.erl
@@ -889,7 +889,7 @@ get_env_var(Prefix, Suffix, []) ->
     Prefix ++ Suffix.
 
 
--spec line_length() -> non_neg_integer().
+-spec line_length() -> 0..?LINE_LENGTH.
 line_length() ->
     case io:columns() of
         {ok, Columns} when Columns < ?LINE_LENGTH ->