* win32/win32.c (open_ifs_socket): new function.

* win32/win32.c (StartSockets, rb_w32_socket): use open_ifs_socket()
  instead of socket().
  all changes are derived from [ruby-core:5388].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8731 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/sdbm/test_sdbm.rb

@@ -31,14 +31,14 @@ class TestSDBM < Test::Unit::TestCase
     end
   end
 
-    def have_fork?
-      begin
-        fork{}
-        true
-      rescue NotImplementedError
-        false
-      end
+  def have_fork?
+    begin
+      fork{}
+      true
+    rescue NotImplementedError
+      false
     end
+  end
 
   def test_version
     assert(! SDBM.const_defined?(:VERSION))