Fixing thumbnail generator to use new rive folder for include.

skia/thumbnail_generator/src/main.cpp

diff --git a/skia/thumbnail_generator/src/main.cpp b/skia/thumbnail_generator/src/main.cpp
index 5a4351c..88803cb 100644
--- a/skia/thumbnail_generator/src/main.cpp
+++ b/skia/thumbnail_generator/src/main.cpp
@@ -2,9 +2,9 @@
 #include "SkImage.h"
 #include "SkStream.h"
 #include "SkSurface.h"
-#include "core/binary_reader.hpp"
-#include "file.hpp"
-#include "math/aabb.hpp"
+#include "rive/core/binary_reader.hpp"
+#include "rive/file.hpp"
+#include "rive/math/aabb.hpp"
 #include "skia_renderer.hpp"
 #include <cstdio>
 #include <stdio.h>