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

diff --git a/server/trace.c b/server/trace.c
index f610d04..b36cfa7 100644
--- a/server/trace.c
+++ b/server/trace.c
@@ -117,7 +117,7 @@
 
 static void dump_varargs_handles( size_t size )
 {
-    const handle_t *data = cur_data;
+    const obj_handle_t *data = cur_data;
     size_t len = size / sizeof(*data);
 
     fputc( '{', stderr );