[gnome-commander/gcmd-1-8] Updates Ubuntu version in Dockerfile

[Uwe Scholz <uwescholz src gnome org>]

commit 384da0626557f8a99e44cb715b9a2957a8bf9f26
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Sun Jan 21 15:07:37 2018 +0100

    Updates Ubuntu version in Dockerfile

 Dockerfile |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/Dockerfile b/Dockerfile
index 684978f..12a5029 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # This is a Docker image for building gnome-commander
-FROM ubuntu:17.04
+FROM ubuntu:17.10
 MAINTAINER Uwe Scholz <u scholz83 gmx de>
 
 ENV GCMD_PATH /gnome-commander