Fix settings menu in Unity (Ubuntu).

global.h

@@ -31,7 +31,7 @@
 
 
 #define PROGRAM_NAME          "DSRemote"
-#define PROGRAM_VERSION       "0.20_1507071633"
+#define PROGRAM_VERSION       "0.20_1507100942"
 
 #define MAX_PATHLEN            4096
 

mainwindow.h

@@ -120,6 +120,7 @@ private:
   QMenuBar     *menubar;
 
   QMenu        *devicemenu,
+               *settingsmenu,
                *helpmenu;
 
   QTimer       *adjdial_timer,

mainwindow_constr.cpp

@@ -99,7 +99,10 @@ UI_Mainwindow::UI_Mainwindow()
   devicemenu->addAction("Exit",       this, SLOT(close()), QKeySequence::Quit);
   menubar->addMenu(devicemenu);
 
-  menubar->addAction("Settings", this, SLOT(open_settings_dialog()));
+  settingsmenu = new QMenu(this);
+  settingsmenu->setTitle("Settings");
+  settingsmenu->addAction("Settings", this, SLOT(open_settings_dialog()));
+  menubar->addMenu(settingsmenu);
 
   helpmenu = new QMenu(this);
   helpmenu->setTitle("Help");