Fix export, which has been broken since the boost::signals2 changes. Also update Audiographer, bacause of its incomplete sndfile handling. Audiographer is equal to revision 74

git-svn-id: svn://localhost/ardour2/branches/3.0@6760 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/audiographer/src/debug_utils.cc

@@ -0,0 +1,26 @@
+#include "audiographer/debug_utils.h"
+
+#include "audiographer/process_context.h"
+
+#include <sstream>
+
+namespace AudioGrapher {
+
+std::string
+DebugUtils::process_context_flag_name (FlagField::Flag flag)
+{
+	std::ostringstream ret;
+	
+	switch (flag) {
+		case ProcessContext<>::EndOfInput:
+			ret << "EndOfInput";
+			break;
+		default:
+			ret << flag;
+			break;
+	}
+	
+	return ret.str();
+}
+
+} // namespace