Bump embedded openssl version

Author: Pan

ci/docker/manylinux/Dockerfile

@@ -1,7 +1,7 @@
 FROM quay.io/pypa/manylinux1_x86_64
 
 ENV CMAKE cmake-2.8.12.2-Linux-i386
-ENV OPENSSL openssl-1.0.2n
+ENV OPENSSL openssl-1.0.2o
 ENV LIBSSH2 libssh2-1.8.0
 
 RUN yum install zlib-devel -y
@@ -12,7 +12,7 @@ RUN wget --no-check-certificate https://cmake.org/files/v2.8/${CMAKE}.tar.gz &&
     cp -af ${CMAKE}/bin/* /usr/bin/
 
 # Openssl
-RUN wget ftp://ftp.openssl.org/source/${OPENSSL}.tar.gz && \
+RUN wget --no-check-certificate http://www.openssl.org/source/${OPENSSL}.tar.gz && \
     tar -xzf ${OPENSSL}.tar.gz && \
     cd ${OPENSSL} && \
     ./config --prefix=/usr --openssldir=/usr/openssl threads shared && \