--- cinepaint-0.21-2-orig/plug-ins/bracketing_to_hdr/br_core/br_Image.cpp 
+++ cinepaint-0.21-2/plug-ins/bracketing_to_hdr/br_core/br_Image.cpp 
@@ -26,6 +26,7 @@
 */
 #include <iostream>
 #include <cmath>                    // pow()
+#include <cstring>                  // strlen(), strcpy()
 
 #include "br_types.hpp"             // ImageID
 #include "br_enums.hpp"             // DataType, ReportWhat