Fix fz_decode_tile in the absence of alpha.

When no alpha present, we were omitting to decode the last
component.

1 files changed, 1 insertions, 1 deletions

diff --git a/source/fitz/draw-unpack.c b/source/fitz/draw-unpack.c
index 8ac76bdc..ccb3c62f 100644
--- a/source/fitz/draw-unpack.c
+++ b/source/fitz/draw-unpack.c
@@ -222,7 +222,7 @@ fz_decode_tile(fz_context *ctx, fz_pixmap *pix, const float *decode)
 	unsigned char *p = pix->samples;
 	int stride = pix->stride - pix->w * pix->n;
 	int len;
-	int n = fz_maxi(1, pix->n - 1);
+	int n = fz_maxi(1, pix->n - pix->alpha);
 	int needed;
 	int k;
 	int h;