Missing header guards.

diff --git a/src/cpl.h b/src/cpl.h
index c91e256a6edf7d24a9e104e53539f535a08bf638..2b37257df6e393ce0648069ca848e8121f01f580 100644 (file)
--- a/src/cpl.h
+++ b/src/cpl.h
@@ -17,6 +17,9 @@
 
 */
 
+#ifndef LIBDCP_CPL_H
+#define LIBDCP_CPL_H
+
 #include <list>
 #include <boost/shared_ptr.hpp>
 #include <boost/function.hpp>
@@ -121,3 +124,5 @@ private:
 };
 
 }
+
+#endif