add missing libssl-dev dependency to docker images on travis

Author: andrehjr

src/ci/docker/armhf-gnu/Dockerfile

@@ -13,6 +13,8 @@ RUN apt-get update -y && apt-get install -y --no-install-recommends \
       git \
       libc6-dev \
       libc6-dev-armhf-cross \
+      libssl-dev \
+      pkg-config \
       make \
       python2.7 \
       qemu-system-arm \

src/ci/docker/asmjs/Dockerfile

@@ -11,6 +11,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  libssl-dev \
+  pkg-config \
   xz-utils
 
 COPY scripts/emscripten.sh /scripts/

src/ci/docker/i686-gnu-nopt/Dockerfile

@@ -11,6 +11,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  libssl-dev \
+  pkg-config \
   xz-utils
 
 

src/ci/docker/i686-gnu/Dockerfile

@@ -11,6 +11,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  libssl-dev \
+  pkg-config \
   xz-utils
 
 

src/ci/docker/test-various/Dockerfile

@@ -11,6 +11,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  libssl-dev \
+  pkg-config \
   xz-utils \
   wget \
   patch

src/ci/docker/x86_64-gnu-debug/Dockerfile

@@ -17,6 +17,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  libssl-dev \
+  pkg-config \
   xz-utils \
   lld \
   clang

src/ci/docker/x86_64-gnu-full-bootstrap/Dockerfile

@@ -11,6 +11,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  libssl-dev \
+  pkg-config \
   xz-utils
 
 COPY scripts/sccache.sh /scripts/

src/ci/docker/x86_64-gnu-nopt/Dockerfile

@@ -11,6 +11,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  libssl-dev \
+  pkg-config \
   xz-utils
 
 COPY scripts/sccache.sh /scripts/

src/ci/docker/x86_64-gnu/Dockerfile

@@ -11,6 +11,8 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   cmake \
   sudo \
   gdb \
+  libssl-dev \
+  pkg-config \
   xz-utils
 
 COPY scripts/sccache.sh /scripts/