Update to latest vhost-gen version

cytopia · cytopia · commit cc62f614a414 · 2019-01-16T12:59:25.000+01:00
diff --git a/Dockerfile b/Dockerfile
@@ -10,7 +10,7 @@ LABEL \
 ###
 ### Build arguments
 ###
-ARG VHOST_GEN_GIT_REF=0.13
+ARG VHOST_GEN_GIT_REF=0.15
 ARG CERT_GEN_GIT_REF=0.2
 
 ENV BUILD_DEPS \
