applied patch by OHARA Shigeki:

  * use Apache::Request#headers_in instead of obsolete #headers methods
  * XMLRPC::ModRubyServer::new is no longer a singleton method


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4719 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/xmlrpc/server.rb

@@ -509,22 +509,16 @@ def http_write(body, header)
 =end 
 
 class ModRubyServer < BasicServer
-  @@obj = nil
-
-  def ModRubyServer.new(*a)
-    @@obj = super(*a) if @@obj.nil?
-    @@obj
-  end
 
   def initialize(*a)
     @ap = Apache::request
     super(*a)
   end
-  
+
   def serve
     catch(:exit_serve) {
       header = {}
-      @ap.each_header {|key, value| header[key.capitalize] = value}
+      @ap.headers_in.each {|key, value| header[key.capitalize] = value}
 
       length = header['Content-length'].to_i
 
@@ -569,7 +563,7 @@ def http_write(body, status, header)
     h['Status']         ||= "200 OK"
     h['Content-length'] ||= body.size.to_s 
 
-    h.each {|key, value| @ap[key] = value }
+    h.each {|key, value| @ap.headers_out[key] = value }
     @ap.content_type = h["Content-type"] 
     @ap.status = status.to_i 
     @ap.send_http_header