macosx: hide the screen access module on non-supported setups

modules/gui/macosx/intf.h

 /*****************************************************************************
  * intf.h: MacOS X interface module
  *****************************************************************************
- * Copyright (C) 2002-2009 the VideoLAN team
+ * Copyright (C) 2002-2011 the VideoLAN team
  * $Id$
  *
  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
@@ -51,11 +51,6 @@ unsigned int CocoaKeyToVLC( unichar i_key );
  * the translated string. the translation should be '1:translatedstring' though */
 #define _ANS(s) [[[VLCMain sharedInstance] localizedString: _(s)] substringFromIndex:2]
 
-#define MACOS_VERSION [[[NSDictionary dictionaryWithContentsOfFile: \
-            @"/System/Library/CoreServices/SystemVersion.plist"] \
-            objectForKey: @"ProductVersion"] floatValue]
-
-
 // You need to release those objects after use
 input_thread_t *getInput(void);
 vout_thread_t *getVout(void);

modules/gui/macosx/open.m

 /*****************************************************************************
  * open.m: Open dialogues for VLC's MacOS X port
  *****************************************************************************
- * Copyright (C) 2002-2009 the VideoLAN team
+ * Copyright (C) 2002-2011 the VideoLAN team
  * $Id$
  *
  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
@@ -221,6 +221,7 @@ static VLCOpen *_o_sharedMainInstance = nil;
 
     [o_capture_mode_pop removeAllItems];
     [o_capture_mode_pop addItemWithTitle: @"iSight"];
+    if( NSAppKitVersionNumber < 1115.2 )
         [o_capture_mode_pop addItemWithTitle: _NS("Screen")];
     [o_capture_mode_pop addItemWithTitle: @"EyeTV"];
     [o_screen_lbl setStringValue: _NS("Screen Capture Input")];