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-rw-r--r--src/common/utils2.hpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/common/utils2.hpp b/src/common/utils2.hpp
index aa97959..7b2bc4a 100644
--- a/src/common/utils2.hpp
+++ b/src/common/utils2.hpp
@@ -1,5 +1,5 @@
-// included by utils.hpp as a porting aid.
-// Eventually it will be promoted to one or more normal headers.
+#ifndef UTILS2_HPP
+#define UTILS2_HPP
#include <iterator>
#include <type_traits>
@@ -199,3 +199,5 @@ typename std::common_type<A, B>::type max(A a, B b)
{
return b < a ? a : b;
}
+
+#endif // UTILS2_HPP