fix stupid bug
diff --git a/src/smooth/ftgrays.c b/src/smooth/ftgrays.c
index 600c967..5a16571 100644
--- a/src/smooth/ftgrays.c
+++ b/src/smooth/ftgrays.c
@@ -1689,6 +1689,7 @@ typedef struct TCell_
ras.invalid = 1;
ras.min_ey = band->min;
ras.max_ey = band->max;
+ ras.count_ey = band->max - band->min;
error = gray_convert_glyph_inner( RAS_VAR );