qtcapture: fix compilation on 10.6

modules/access/qtcapture.m

@@ -344,9 +344,9 @@ static int Open(vlc_object_t *p_this)
     msg_Dbg(p_demux, "PAR size %i %i", (int)par_size.width, (int)par_size.height);
 
     [p_sys->output setPixelBufferAttributes: [NSDictionary dictionaryWithObjectsAndKeys:
-        @(kCVPixelFormatType_422YpCbCr8), (id)kCVPixelBufferPixelFormatTypeKey,
-        @(p_sys->height), kCVPixelBufferHeightKey,
-        @(p_sys->width), kCVPixelBufferWidthKey,
+                                              [NSNumber numberWithInt:kCVPixelFormatType_422YpCbCr8], (id)kCVPixelBufferPixelFormatTypeKey,
+                                              [NSNumber numberWithInt:p_sys->height], kCVPixelBufferHeightKey,
+                                              [NSNumber numberWithInt:p_sys->width], kCVPixelBufferWidthKey,
                                               [NSNumber numberWithBool:YES], (id)kCVPixelBufferOpenGLCompatibilityKey,
                                               nil]];
     [p_sys->output setAutomaticallyDropsLateVideoFrames:YES];