Made the server listen for new clients on a Unix socket in
$HOME/.wine. Newly started wine processes now attach to an existing
server if one is running.

diff --git a/server/object.h b/server/object.h
index fb874f7..5ab85a1 100644
--- a/server/object.h
+++ b/server/object.h
@@ -165,6 +165,9 @@
 
 extern void close_registry(void);
 
+/* global variables (command-line options) */
+
 extern int debug_level;
+extern int persistent_server;
 
 #endif  /* __WINE_SERVER_OBJECT_H */