try to fix gui compile error on mac 10.6 and 10.5

src/gui/src/AXDatabaseCleaner.h

@@ -17,6 +17,13 @@
 
 #pragma once
 
+#include <QtCore>
+
+// HACK: ideally this file should not be included in project,
+// if it is below marvericks, but it seems that .pro can't
+// specify mac version
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
+
 class AXDatabaseCleaner {
 public:
 	AXDatabaseCleaner();
@@ -31,3 +38,5 @@ private:
 	Private* m_private;
 	bool m_waitForResponse;
 };
+
+#endif

src/gui/src/AXDatabaseCleaner.mm

@@ -16,6 +16,9 @@
  */
 
 #import "AXDatabaseCleaner.h"
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
+
 #import <Cocoa/Cocoa.h>
 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
 #import <ServiceManagement/ServiceManagement.h>
@@ -159,3 +162,5 @@ bool AXDatabaseCleaner::privilegeCommand(const char* command)
 
 	return true;
 }
+
+#endif

src/gui/src/main.cpp

@@ -31,9 +31,13 @@
 
 #if defined(Q_OS_MAC)
 #include <Carbon/Carbon.h>
+
+#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
 #include "AXDatabaseCleaner.h"
 #endif
 
+#endif
+
 class QThreadImpl : public QThread
 {
 public: