bpo-33148: Update Windows build to use OpenSSL 1.0.2o

closes https://github.com/python/cpython/pull/6474

Misc/NEWS.d/next/Windows/2018-04-14-14-50-01.bpo-33184.to0tIj.rst

+Update Windows build to use OpenSSL 1.0.2o.

PCbuild/get_externals.bat

@@ -47,7 +47,7 @@ rem files in both this dir and PC\VS9.0
 set libraries=
 set libraries=%libraries%                                    bzip2-1.0.6
 if NOT "%IncludeBsddb%"=="false" set libraries=%libraries%   bsddb-4.7.25.0
-if NOT "%IncludeSSL%"=="false" set libraries=%libraries%     openssl-1.0.2k
+if NOT "%IncludeSSL%"=="false" set libraries=%libraries%     openssl-1.0.2o
 set libraries=%libraries%                                    sqlite-3.14.2.0
 if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tcl-8.5.19.0
 if NOT "%IncludeTkinter%"=="false" set libraries=%libraries% tk-8.5.19.0

PCbuild/python.props

@@ -35,7 +35,7 @@
     <sqlite3Dir>$(ExternalsDir)sqlite-3.14.2.0\</sqlite3Dir>
     <bz2Dir>$(ExternalsDir)bzip2-1.0.6\</bz2Dir>
     <bsddbDir>$(ExternalsDir)bsddb-4.7.25.0</bsddbDir>
-    <opensslDir>$(ExternalsDir)openssl-1.0.2k\</opensslDir>
+    <opensslDir>$(ExternalsDir)openssl-1.0.2o\</opensslDir>
     <opensslIncludeDir>$(opensslDir)include32</opensslIncludeDir>
     <opensslIncludeDir Condition="'$(ArchName)' == 'amd64'">$(opensslDir)include64</opensslIncludeDir>
     <nasmDir>$(ExternalsDir)\nasm-2.11.06\</nasmDir>

PCbuild/readme.txt

@@ -192,7 +192,7 @@ _bz2
     Homepage:
         http://www.bzip.org/
 _ssl
-    Python wrapper for version 1.0.2k of the OpenSSL secure sockets
+    Python wrapper for version 1.0.2o of the OpenSSL secure sockets
     library, which is built by ssl.vcxproj
     Homepage:
         http://www.openssl.org/