Use WarningDialog for drop-outs, and change the wording

src/prefs/RecordingPrefs.cpp

@@ -33,6 +33,8 @@
 #include "../Experimental.h"
 #include "../Internat.h"
 
+#include "../widgets/Warning.h"
+
 using std::min;
 
 enum {
@@ -166,8 +168,9 @@ void RecordingPrefs::PopulateOrExchange(ShuttleGui & S)
        S.TieCheckBox(_("Always record on a new track"),
                     wxT("/GUI/PreferNewTrackRecord"),
                     false);
+
        S.TieCheckBox(_("Detect dropouts"),
-                     wxT("/AudioIO/DetectDropouts"),
+                     WarningDialogKey(wxT("DropoutDetected")),
                      true);
    }
    S.EndStatic();