G instead of R, thanks Gold

src/core/SkColorSpaceXform.cpp

Index: src/core/SkColorSpaceXform.cpp
diff --git a/src/core/SkColorSpaceXform.cpp b/src/core/SkColorSpaceXform.cpp
index eaaa80f073aad4c05c323ab68c98a494ff72dfb2..b555d599c4c5a841277ddc4b4bd62fb1c55a088b 100644
--- a/src/core/SkColorSpaceXform.cpp
+++ b/src/core/SkColorSpaceXform.cpp
@@ -662,7 +662,7 @@ static inline void load_rgba_from_tables(const uint32_t* src,
           srcTables[0][(src[1] >> kRShift) & 0xFF],
           srcTables[0][(src[2] >> kRShift) & 0xFF],
           srcTables[0][(src[3] >> kRShift) & 0xFF], };
-    g = { srcTables[1][(src[0] >> kRShift) & 0xFF],
+    g = { srcTables[1][(src[0] >> kGShift) & 0xFF],
           srcTables[1][(src[1] >> kGShift) & 0xFF],
           srcTables[1][(src[2] >> kGShift) & 0xFF],
           srcTables[1][(src[3] >> kGShift) & 0xFF], };