openssl/buffering.rb: no RS when output

* ext/openssl/lib/openssl/buffering.rb (do_write, puts): output
  methods should not be affected by the input record separator.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62038 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Sync-with-trunk: r62038

Author: nobu

lib/openssl/buffering.rb

@@ -316,8 +316,8 @@ def do_write(s)
     @wbuffer << s
     @wbuffer.force_encoding(Encoding::BINARY)
     @sync ||= false
-    if @sync or @wbuffer.size > BLOCK_SIZE or idx = @wbuffer.rindex($/)
-      remain = idx ? idx + $/.size : @wbuffer.length
+    if @sync or @wbuffer.size > BLOCK_SIZE or idx = @wbuffer.rindex("\n")
+      remain = idx ? idx + 1 : @wbuffer.size
       nwritten = 0
       while remain > 0
         str = @wbuffer[nwritten,remain]
@@ -409,9 +409,7 @@ def puts(*args)
     end
     args.each{|arg|
       s << arg.to_s
-      if $/ && /\n\z/ !~ s
-        s << "\n"
-      end
+      s.sub!(/(?<!\n)\z/, "\n")
     }
     do_write(s)
     nil