fix crash due to invalidated iterator

[lyx.git] / src / frontends / controllers / ButtonPolicies.h

diff --git a/src/frontends/controllers/ButtonPolicies.h b/src/frontends/controllers/ButtonPolicies.h
index 564f4d7de48390077c9aa82e1957c6910531c803..3300c9a208bc44e10974633185051e5b6cc329ea 100644 (file)
--- a/src/frontends/controllers/ButtonPolicies.h
+++ b/src/frontends/controllers/ButtonPolicies.h
@@ -21,6 +21,9 @@
 
 #include "support/std_ostream.h"
 
+namespace lyx {
+namespace frontend {
+
 /** An abstract base class for button policies.
     A state machine implementation of the various button policies used by the
     dialogs. Only the policy is implemented here.  Separate ButtonController
@@ -465,4 +468,7 @@ public:
        }
 };
 
+} // namespace frontend
+} // namespace lyx
+
 #endif