Renamed handle_t to obj_handle_t to avoid conflict with rpcdce.h.

diff --git a/server/sock.c b/server/sock.c
index f81b5ec..4f79d94 100644
--- a/server/sock.c
+++ b/server/sock.c
@@ -540,7 +540,7 @@
 }
 
 /* accept a socket (creates a new fd) */
-static struct sock *accept_socket( handle_t handle )
+static struct sock *accept_socket( obj_handle_t handle )
 {
     struct sock *acceptsock;
     struct sock *sock;