pesconvert: Fixed row init range in output_png().

This prevents a segfault for small embroidery patterns or large
output dimensions.

Even though output_png() is dead code, there is a slight chance,
that someone lacks libcairo-dev while being offline. ;-)

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/png.c b/png.c
index 25a5967..14649c9 100644
--- a/png.c
+++ b/png.c
@@ -16,7 +16,7 @@ void output_png(struct pes *pes)
 	png_infop info_ptr;
 
 	rows = calloc(sizeof(*rows), outh);
-	for (i = 0; i < height; i++)
+	for (i = 0; i < outh; i++)
 		rows[i] = calloc(sizeof(png_byte)*4, outw);
 
 	block = pes->blocks;