resolv9x.rb: fix typo

* ext/win32/lib/win32/resolv9x.rb (WsControl): fix missing close
  parenthesis at r22724.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57629 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/win32/lib/win32/resolv9x.rb

@@ -141,7 +141,7 @@ module Win32
         extend Importer
         dlload "wsock32.dll"
       end
-      WsControl = WSock32.extern "int WsControl(int, int, void *, void *, void *, void *", :stdcall
+      WsControl = WSock32.extern "int WsControl(int, int, void *, void *, void *, void *)", :stdcall
       WSAGetLastError = WSock32.extern "int WSAGetLastError(void)", :stdcall
 
       MAX_TDI_ENTITIES = 512