Fix warnings issued by `luacheck`.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib.lua b/lib.lua
index 7e8e066..60aebc0 100644
--- a/lib.lua
+++ b/lib.lua
@@ -49,7 +49,7 @@ end
 function intllib.load_strings(filename)
 	local file, err = io.open(filename, "r")
 	if not file then
-		return nil
+		return nil, err
 	end
 	local strings = {}
 	for line in file:lines() do