scale by 1 for neon implemented

include/libyuv/row.h

Index: include/libyuv/row.h
diff --git a/include/libyuv/row.h b/include/libyuv/row.h
index 96861befb071f5a257b0acc47c4b00b2fe1c3bd2..601e05acc9001a6b9510d3468487285bd743bb00 100644
--- a/include/libyuv/row.h
+++ b/include/libyuv/row.h
@@ -1959,9 +1959,15 @@ void HalfFloatRow_Any_AVX2(const uint16* src, uint16* dst, float scale,
 void HalfFloatRow_F16C(const uint16* src, uint16* dst, float scale, int width);
 void HalfFloatRow_Any_F16C(const uint16* src, uint16* dst, float scale,
                            int width);
+void HalfFloat1Row_F16C(const uint16* src, uint16* dst, float scale, int width);
+void HalfFloat1Row_Any_F16C(const uint16* src, uint16* dst, float scale,
+                            int width);
 void HalfFloatRow_NEON(const uint16* src, uint16* dst, float scale, int width);
 void HalfFloatRow_Any_NEON(const uint16* src, uint16* dst, float scale,
                            int width);
+void HalfFloat1Row_NEON(const uint16* src, uint16* dst, float scale, int width);
+void HalfFloat1Row_Any_NEON(const uint16* src, uint16* dst, float scale,
+                            int width);
 
 void ARGBLumaColorTableRow_C(const uint8* src_argb, uint8* dst_argb, int width,
                              const uint8* luma, uint32 lumacoeff);