Don't assume display_string is truncated with NUL.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@19937 ec53bebd-3082-4978-b11e-865c3cabbd6b

appl/test/gss_common.c

@@ -93,7 +93,8 @@ gss_print_errors (int min_stat)
 				  GSS_C_NO_OID,
 				  &msg_ctx,
 				  &status_string);
-	fprintf (stderr, "%s\n", (char *)status_string.value);
+	fprintf (stderr, "%.*s\n", (int)status_string.length, 
+		 (char *)status_string.value);
 	gss_release_buffer (&new_stat, &status_string);
     } while (!GSS_ERROR(ret) && msg_ctx != 0);
 }