--- a/src/gifrlib.h	Mon Aug 13 11:04:53 2007 +0200
+++ b/src/gifrlib.h	Mon Aug 13 11:05:42 2007 +0200
@@ -167,15 +167,15 @@
 
 /* This is the in-core version of an extension record */
 typedef struct {
-    int		ByteCount;
-    char	*Bytes;		/* on malloc(3) heap */
+    int		    ByteCount;
+    GifByteType	*Bytes;		/* on malloc(3) heap */
 } ExtensionBlock;
 
 /* This holds an image header, its unpacked raster bits, and extensions */
 typedef struct SavedImage {
     GifImageDesc	ImageDesc;
 
-    char		*RasterBits;		/* on malloc(3) heap */
+    GifPixelType	*RasterBits;		/* on malloc(3) heap */
 
     int			Function;
     int			ExtensionBlockCount;