needs openssl/opensslv.h

* ext/openssl/extconf.rb: LIBRESSL_VERSION_NUMBER is defined in
  openssl/opensslv.h.  fix up r64101.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64236 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/openssl/extconf.rb

@@ -114,7 +114,7 @@ engines.each { |name|
   OpenSSL.check_func_or_macro("ENGINE_load_#{name}", "openssl/engine.h")
 }
 
-if ($mswin || $mingw) && have_macro("LIBRESSL_VERSION_NUMBER")
+if ($mswin || $mingw) && have_macro("LIBRESSL_VERSION_NUMBER", "openssl/opensslv.h")
   $defs.push("-DNOCRYPT")
 end