fix dirmngr

Signed-off-by: Jess Frazelle <acidburn@google.com>

certbot/Dockerfile

@@ -4,6 +4,7 @@ MAINTAINER Jessie Frazelle <jess@linux.com>
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
 	curl \
+	dirmngr \
 	gnupg \
 	--no-install-recommends
 

tor-browser/alpha/Dockerfile

@@ -11,6 +11,7 @@ MAINTAINER Jessie Frazelle <jess@linux.com>
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
 	curl \
+	dirmngr \
 	gnupg \
 	libasound2 \
 	libdbus-glib-1-2 \

tor-browser/hardened/Dockerfile

@@ -11,6 +11,7 @@ MAINTAINER Christian Koep <christian.koep@fom-net.de>
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
 	curl \
+	dirmngr \
 	gnupg \
 	libasound2 \
 	libdbus-glib-1-2 \

tor-browser/stable/Dockerfile

@@ -11,6 +11,7 @@ MAINTAINER Jessie Frazelle <jess@linux.com>
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
 	curl \
+	dirmngr \
 	gnupg \
 	libasound2 \
 	libdbus-glib-1-2 \

tor-messenger/Dockerfile

@@ -16,6 +16,7 @@ ENV TOR_FINGERPRINT 0xB01C8B006DA77FAA
 RUN apt-get update && apt-get -y install \
 	ca-certificates \
 	curl \
+	dirmngr \
 	gnupg \
 	gxmessage \
 	libasound2 \

virtualbox/Dockerfile

@@ -29,7 +29,7 @@
 # 	rm -rf /usr/share/virtualbox
 # 	rm vboxdrv
 #
-FROM debian:stretch
+FROM debian:sid
 MAINTAINER Jessie Frazelle <jess@linux.com>
 
 RUN apt-get update && apt-get install -y \