osxvideosink: Fix build with older OSX versions

diff --git a/sys/osxvideo/osxvideosink.h b/sys/osxvideo/osxvideosink.h
index f3c9eac..e261882 100644 (file)
--- a/sys/osxvideo/osxvideosink.h
+++ b/sys/osxvideo/osxvideosink.h
@@ -107,7 +107,11 @@ GType gst_osx_video_sink_get_type(void);
 @end
 
 
+#if MAC_OS_X_VERSION_MIN_REQUIRED == MAC_OS_X_VERSION_10_6
 @interface GstWindowDelegate : NSObject <NSWindowDelegate>
+#else
+@interface GstWindowDelegate : NSObject
+#endif
 {
   @public
   GstOSXVideoSink *osxvideosink;