Fix text axis alignment calculation

src/core/SkScalerContext.cpp

Index: src/core/SkScalerContext.cpp
diff --git a/src/core/SkScalerContext.cpp b/src/core/SkScalerContext.cpp
index 35a9b295583f24dca59b516f1c6845548ac31629..29f794a99f1dffeffc1fed64a0ebc1c5e8e67440 100644
--- a/src/core/SkScalerContext.cpp
+++ b/src/core/SkScalerContext.cpp
@@ -829,7 +829,7 @@ SkAxisAlignment SkComputeAxisAlignmentForHText(const SkMatrix& matrix) {
     if (0 == matrix[SkMatrix::kMSkewY]) {
         return kX_SkAxisAlignment;
     }
-    if (0 == matrix[SkMatrix::kMScaleX]) {
+    if (0 == matrix[SkMatrix::kMSkewX]) {
         return kY_SkAxisAlignment;
     }
     return kNone_SkAxisAlignment;