Index: libgd-2.2.5/src/gd_gif_in.c
===================================================================
--- libgd-2.2.5/src/gd_gif_in.c
+++ libgd-2.2.5/src/gd_gif_in.c	2018-01-05 17:14:36.866591464 +0100
@@ -447,7 +447,7 @@
 GetCode_(gdIOCtx *fd, CODE_STATIC_DATA *scd, int code_size, int flag, int *ZeroDataBlockP)
 {
 	int i, j, ret;
-	unsigned char count;
+	int count;
 
 	if(flag) {
 		scd->curbit = 0;