[libpng16] Added a copy of Dockerfile to the contrib/oss-fuzz directory
diff --git a/contrib/oss-fuzz/Dockerfile b/contrib/oss-fuzz/Dockerfile
new file mode 100644
index 0000000..7e4d1eb
--- /dev/null
+++ b/contrib/oss-fuzz/Dockerfile
@@ -0,0 +1,24 @@
+# Copyright 2016 Google Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+################################################################################
+
+FROM gcr.io/oss-fuzz-base/base-builder
+MAINTAINER glennrp@gmail.com
+RUN apt-get update && apt-get install -y make autoconf automake libtool zlib1g-dev
+
+RUN git clone --depth 1 https://github.com/glennrp/libpng.git
+RUN (cd libpng; git log | head -1)
+WORKDIR libpng
+COPY build.sh $SRC/
diff --git a/contrib/oss-fuzz/README.txt b/contrib/oss-fuzz/README.txt
index 795c9aa..cb7fb13 100644
--- a/contrib/oss-fuzz/README.txt
+++ b/contrib/oss-fuzz/README.txt
@@ -1,4 +1,4 @@
-Last changed in libpng 1.6.32 [August 24, 2017]
+Last changed in libpng 1.6.33 [(PENDING RELEASE)]
 Copyright (c) 2017 Glenn Randers-Pehrson
 
 This code is released under the libpng license.
@@ -23,14 +23,15 @@
                             Original
  Filename                   or derived   Copyright          License
  =========================  ==========   ================   ==========
+ Dockerfile*                derived      2017, Glenn R-P    Apache 2.0
  build.sh*                  derived      2017, Glenn R-P    Apache 2.0
  libpng_read_fuzzer.cc      derived      2017, Glenn R-P    Chromium
  libpng_read_fuzzer.options original     2015, Chrome Devs  Chromium
  png.dict                   original     2015, Chrome Devs  Chromium
  README.txt (this file)     original     2017, Glenn R-P    libpng
 
- * build.sh is a copy of the file used by oss-fuzz. png.dict and
-   libpng_read_fuzzer.* are the actual files used by oss-fuzz, which
-   retrieves them from the libpng repository at Github.
+ * Dockerfile and build.sh are copies of the files used by oss-fuzz.
+   png.dict and libpng_read_fuzzer.* are the actual files used by oss-fuzz,
+   which retrieves them from the libpng repository at Github.
 
 To do: exercise the progressive reader and the png encoder.