doxygen comment for gc.c

diff --git a/cmd/tools/gc.c b/cmd/tools/gc.c
index 459a3621ea0ce733bfdc16d1dffd87a518326291..c3899aa1b495348394e0bc8994cf8806082e4aa5 100644 (file)
--- a/cmd/tools/gc.c
+++ b/cmd/tools/gc.c
@@ -1,3 +1,8 @@
+/**
+ * @file
+ * @brief count graph components
+ */
+
 /*************************************************************************
  * Copyright (c) 2011 AT&T Intellectual Property 
  * All rights reserved. This program and the accompanying materials