macOS CameraPlugin.

Fix a slip in commit a6fd91e/
commit 4d8cc8d.  The test for the pixel buffer
being large enough not to need reallocating is thw wrong way around.

platforms/iOS/plugins/CameraPlugin/AVFoundationVideoGrabber.m

@@ -128,7 +128,7 @@ - (void)captureOutput:(AVCaptureOutput *)captureOutput
 	}
 	else if (currentWidth != width
 		  || currentHeight != height) {
-		if (currentWidth * currentHeight < width * height) {
+		if (currentWidth * currentHeight > width * height) {
 			if (pixels)
 				free(pixels);
 			pixels = malloc(currentWidth * currentHeight * 4);