fixup! macOS / boost 1.74 build fixes.

diff --git a/tools/dcpdiff.cc b/tools/dcpdiff.cc
index 80d4b049bed4032ba88389540db4a690a685e607..3940c0d49ae1af852034133b3aab550492ea9af7 100644 (file)
--- a/tools/dcpdiff.cc
+++ b/tools/dcpdiff.cc
@@ -50,6 +50,9 @@ using std::string;
 using boost::shared_ptr;
 using boost::optional;
 using boost::dynamic_pointer_cast;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
 using namespace dcp;
 
 static bool verbose = false;