fix potential threading problem with initialization of static objects

git-svn-id: svn://svn.code.sf.net/p/cryptopp/code/trunk/c5@118 57ff6487-cd31-0410-9ec3-f628ee90f5f0

1 files changed, 1 insertions, 1 deletions

diff --git a/xtr.h b/xtr.h
index 8f3ef27..89d39f0 100644
--- a/xtr.h
+++ b/xtr.h
@@ -33,7 +33,7 @@ public:
 		c2.swap(a.c2);
 	}
 
-	static GFP2Element & Zero();
+	static const GFP2Element & Zero();
 
 	Integer c1, c2;
 };