Add 'Denormalize' to Audio_Region context menu.

Timeline/Audio_Region.C

@@ -268,6 +268,8 @@ Audio_Region::menu_cb ( const Fl_Menu_ *m )
         _loop = 0;
     else if ( ! strcmp( picked, "/Normalize" ) )
         normalize();
+    else if ( ! strcmp( picked, "/Denormalize" ) )
+        _scale = 1.0;
     else if ( ! strcmp( picked, "/Range from" ) )
         timeline->range( start(), length() );
     else if ( ! strcmp( picked, "/Remove" ) )
@@ -312,6 +314,7 @@ Audio_Region::menu ( void )
             { "Loop point to mouse", 'l', 0, 0 },
             { "Clear loop point", FL_SHIFT + 'l', 0, 0 },
             { "Normalize", 'n', 0, 0 },
+            { "Denormalize", FL_SHIFT + 'n', 0, 0 },
             { "Range from", FL_CTRL + 'r', 0, 0 },
             { "Remove", 0, 0, 0 },
             { 0 },