Update Wuffs version

Bug: oss-fuzz:11823

This pulls in the Wuffs bug fix:
https://github.com/google/wuffs/commit/0842bc71157ce7a2cc875dea5dcb167b4177cfa8
"Make the GIF dirty_rect be in the frame_rect".

Change-Id: Ib4928eb3cbf4bc862c3ae709fdfe6f179412f95f
Reviewed-on: https://skia-review.googlesource.com/c/190940
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Leon Scroggins <scroggo@google.com>
diff --git a/DEPS b/DEPS
index a8292b9..e341ad1 100644
--- a/DEPS
+++ b/DEPS
@@ -29,7 +29,7 @@
   "third_party/externals/spirv-tools"     : "https://skia.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git@e9e4393b1c5aad7553c05782acefbe32b42644bd",
   "third_party/externals/swiftshader"     : "https://swiftshader.googlesource.com/SwiftShader@d9ce258c174bc7295b92046519ce885613c14608",
   #"third_party/externals/v8"              : "https://chromium.googlesource.com/v8/v8.git@5f1ae66d5634e43563b2d25ea652dfb94c31a3b4",
-  "third_party/externals/wuffs"           : "https://skia.googlesource.com/external/github.com/google/wuffs.git@fda3c4c9863d9f9fcec58ae66508c4621fc71ea5",
+  "third_party/externals/wuffs"           : "https://skia.googlesource.com/external/github.com/google/wuffs.git@937a7810227adaa02d7933b79dd87b6afa30bc78",
   "third_party/externals/zlib"            : "https://chromium.googlesource.com/chromium/src/third_party/zlib@47af7c547f8551bd25424e56354a2ae1e9062859",
   "third_party/externals/Nima-Cpp"        : "https://skia.googlesource.com/external/github.com/2d-inc/Nima-Cpp.git@4bd02269d7d1d2e650950411325eafa15defb084",
   "third_party/externals/Nima-Math-Cpp"   : "https://skia.googlesource.com/external/github.com/2d-inc/Nima-Math-Cpp.git@e0c12772093fa8860f55358274515b86885f0108",
diff --git a/src/codec/SkWuffsCodec.cpp b/src/codec/SkWuffsCodec.cpp
index 669862f..04da11c 100644
--- a/src/codec/SkWuffsCodec.cpp
+++ b/src/codec/SkWuffsCodec.cpp
@@ -19,7 +19,7 @@
 // As we have not #define'd WUFFS_IMPLEMENTATION, the #include here is
 // including a header file, even though that file name ends in ".c".
 #include "wuffs-v0.2.c"
-#if WUFFS_VERSION_BUILD_METADATA_COMMIT_COUNT < 1556
+#if WUFFS_VERSION_BUILD_METADATA_COMMIT_COUNT < 1605
 #error "Wuffs version is too old. Upgrade to the latest version."
 #endif