diff -ur giflib-4.1.4.orig/util/giftext.c giflib-4.1.4/util/giftext.c
--- giflib-4.1.4.orig/util/giftext.c	2005-10-10 13:22:23.000000000 +0700
+++ giflib-4.1.4/util/giftext.c	2007-09-06 11:09:25.645411558 +0700
@@ -135,7 +135,7 @@
 	       GifFileName, GifFile->SWidth, GifFile->SHeight);
 	printf("\tColorResolution = %d, BitsPerPixel = %d, BackGround = %d.\n",
 	       GifFile->SColorResolution,
-	       GifFile->SColorMap->BitsPerPixel,
+	       GifFile->SColorMap?GifFile->SColorMap->BitsPerPixel:0,
 	       GifFile->SBackGroundColor);
 	if (GifFile->SColorMap)
 	    printf("\tHas Global Color Map.\n\n");