Update Wuffs version

This pulls in the Wuffs bug fix for MSVC:
https://github.com/google/wuffs/commit/ed52fdecb95fa3a55af41b20ca132665834eb8d5
"Rework how we avoid clang's -Wunused-function".

Bug: skia:8235
Bug: skia:8764
Change-Id: I890066e47f61213101b9c8822b1ec60d22584f75
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/206142
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Leon Scroggins <scroggo@google.com>
diff --git a/src/codec/SkWuffsCodec.cpp b/src/codec/SkWuffsCodec.cpp
index 6ed45cf..49357e9 100644
--- a/src/codec/SkWuffsCodec.cpp
+++ b/src/codec/SkWuffsCodec.cpp
@@ -27,7 +27,7 @@
 #error "SkWuffsCodec should not #define WUFFS_IMPLEMENTATION"
 #endif
 #include "wuffs-v0.2.c"
-#if WUFFS_VERSION_BUILD_METADATA_COMMIT_COUNT < 1655
+#if WUFFS_VERSION_BUILD_METADATA_COMMIT_COUNT < 1675
 #error "Wuffs version is too old. Upgrade to the latest version."
 #endif