(Re. Debian Bug #20715)

 This bug is caused by the local color table in the image not being
 parsed.  The patch below fixes giftrans for images with local color
 tables.

 John Lightsey
 john@nixnuts.net

--- giftrans-1.12.2.orig/giftrans.c
+++ giftrans-1.12.2/giftrans.c
@@ -547,8 +547,8 @@
 			if (output)
 				(void)fwrite((void *)buffer,10,1,dest);
 			/* Local Color Table */
-			if (buffer[8]&0x80) {
-				size=2<<(buffer[8]&0x7);
+			if (buffer[9]&0x80) {
+				size=2<<(buffer[9]&0x7);
 				pos=ftell(src);
 				(void)fread((void *)buffer,size,3,src);
 				if (verbose) {