Fix crash on relayering.

[ardour.git] / libs / ardour / control_protocol_search_path.cc

diff --git a/libs/ardour/control_protocol_search_path.cc b/libs/ardour/control_protocol_search_path.cc
index e2b41375651b621c0ea25827919f2543ff55e154..a74195b4c0718b9b09c028281e3b546bc14184f9 100644 (file)
--- a/libs/ardour/control_protocol_search_path.cc
+++ b/libs/ardour/control_protocol_search_path.cc
@@ -27,6 +27,8 @@ namespace {
        const char * const surfaces_env_variable_name = "ARDOUR_SURFACES_PATH";
 } // anonymous
 
+using namespace PBD;
+
 namespace ARDOUR {
 
 SearchPath