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Diffstat (limited to 'ace/SOCK_Dgram_Mcast.h')
-rw-r--r--ace/SOCK_Dgram_Mcast.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/ace/SOCK_Dgram_Mcast.h b/ace/SOCK_Dgram_Mcast.h
index e3e76cb5985..9209902f557 100644
--- a/ace/SOCK_Dgram_Mcast.h
+++ b/ace/SOCK_Dgram_Mcast.h
@@ -15,7 +15,7 @@
//
// ============================================================================
-#if !defined (ACE_SOCK_DGRAM_MCAST_H)
+#ifndef ACE_SOCK_DGRAM_MCAST_H
#define ACE_SOCK_DGRAM_MCAST_H
#include "ace/SOCK_Dgram.h"