From 5ce4f003d06a6a07ad9ee039243a77a9c16ab6ee Mon Sep 17 00:00:00 2001
From: Peter Williams <peter@newton.cx>
Date: Sat, 15 Jun 2019 14:59:23 -0500
Subject: [PATCH] dist/docker/x86_64-alpine-linux-musl: fix build

We need to ask for `libpng-static` now.
---
 dist/docker/x86_64-alpine-linux-musl/Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dist/docker/x86_64-alpine-linux-musl/Dockerfile b/dist/docker/x86_64-alpine-linux-musl/Dockerfile
index 038920cc3d..dacca5b1c9 100644
--- a/dist/docker/x86_64-alpine-linux-musl/Dockerfile
+++ b/dist/docker/x86_64-alpine-linux-musl/Dockerfile
@@ -1,4 +1,4 @@
-# Copyright 2018 The Tectonic Project
+# Copyright 2018-2019 The Tectonic Project
 # Licensed under the MIT License.
 
 FROM alpine:edge
@@ -18,6 +18,7 @@ RUN apk update && \
         harfbuzz-static \
         icu-dev \
         icu-static \
+        libpng-static \
         openssl-dev \
         zlib-dev