From 9a35d1f6ae680cbe189c9addb79a68c8104a45ad Mon Sep 17 00:00:00 2001
From: kalmar <kalmar@amu.edu.pl>
Date: Fri, 21 Jul 2017 17:15:38 +0200
Subject: [PATCH] always return result from mul!

---
 src/GroupRings.jl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/GroupRings.jl b/src/GroupRings.jl
index bd89396..fe82a9f 100644
--- a/src/GroupRings.jl
+++ b/src/GroupRings.jl
@@ -351,6 +351,7 @@ function mul!{T}(result::AbstractVector{T},
          end
       end
    end
+   return result
 end
 
 doc"""