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-rw-r--r--boost/serialization/valarray.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/serialization/valarray.hpp b/boost/serialization/valarray.hpp
index 4bf722f4d3..d24fda5437 100644
--- a/boost/serialization/valarray.hpp
+++ b/boost/serialization/valarray.hpp
@@ -2,7 +2,7 @@
#define BOOST_SERIALIZATION_VALARAY_HPP
// MS compatible compilers support #pragma once
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#if defined(_MSC_VER)
# pragma once
#endif