[gegl] test: update mipmap reference images

[Øyvind Kolås <ok src gnome org>]

commit a3fa8908da5072ae750fdbd04dfd54ffde0f662b
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed Feb 7 18:51:25 2018 +0100

    test: update mipmap reference images

 tests/mipmap/invert-crop-reference.png  |  Bin 12734 -> 13038 bytes
 tests/mipmap/invert-reference.png       |  Bin 59900 -> 62575 bytes
 tests/mipmap/rotate-crop-reference.png  |  Bin 15381 -> 16183 bytes
 tests/mipmap/rotate-reference.png       |  Bin 80769 -> 84618 bytes
 tests/mipmap/unsharp-crop-reference.png |  Bin 15192 -> 15892 bytes
 tests/mipmap/unsharp-reference.png      |  Bin 71226 -> 74855 bytes
 6 files changed, 0 insertions(+), 0 deletions(-)
---
diff --git a/tests/mipmap/invert-crop-reference.png b/tests/mipmap/invert-crop-reference.png
index 0d22c8e..1f18eba 100644
Binary files a/tests/mipmap/invert-crop-reference.png and b/tests/mipmap/invert-crop-reference.png differ
diff --git a/tests/mipmap/invert-reference.png b/tests/mipmap/invert-reference.png
index 8e17eca..29189c1 100644
Binary files a/tests/mipmap/invert-reference.png and b/tests/mipmap/invert-reference.png differ
diff --git a/tests/mipmap/rotate-crop-reference.png b/tests/mipmap/rotate-crop-reference.png
index b1a5f9f..a86f0f3 100644
Binary files a/tests/mipmap/rotate-crop-reference.png and b/tests/mipmap/rotate-crop-reference.png differ
diff --git a/tests/mipmap/rotate-reference.png b/tests/mipmap/rotate-reference.png
index 62b2d85..eeaec52 100644
Binary files a/tests/mipmap/rotate-reference.png and b/tests/mipmap/rotate-reference.png differ
diff --git a/tests/mipmap/unsharp-crop-reference.png b/tests/mipmap/unsharp-crop-reference.png
index e6a2474..2a13066 100644
Binary files a/tests/mipmap/unsharp-crop-reference.png and b/tests/mipmap/unsharp-crop-reference.png differ
diff --git a/tests/mipmap/unsharp-reference.png b/tests/mipmap/unsharp-reference.png
index 74d4f3d..17b8a32 100644
Binary files a/tests/mipmap/unsharp-reference.png and b/tests/mipmap/unsharp-reference.png differ