Draw the actual rest of the fucking owl.

Change-Id: Ia04fb49ebbe3a5afccc57e62f6335e35b45192fe
diff --git a/devtools/prodimage/Dockerfile b/devtools/prodimage/Dockerfile
index cb5e7db..9cdf8a2 100644
--- a/devtools/prodimage/Dockerfile
+++ b/devtools/prodimage/Dockerfile
@@ -11,5 +11,6 @@
         gnupg2 \
         rsync \
         python \
+        gnupg2 \
         python3 ;\
     rm -rf /var/lib/apt/lists