add interlacebuf to ipng_struct that was missed on pnunn's checkin. should fix impending redness. a=leaf

modules/libimg/pngcom/ipng.h

@@ -1,57 +0,0 @@
-/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/NPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation.  Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s): 
- */
-
-/* ipng.h */
-
-
-typedef enum {
-    PNG_ERROR,
-    PNG_INIT,
-    PNG_CONTINUE,
-    PNG_DELAY,
-    PNG_FINISH,
-    PNG_DONE           
-} png_state;
-
-
-typedef struct ipng_str {
-    png_state state;		/* Decoder FSM state */
- 
-/*  int rows_per_chunk;		NOT USED (similar variable in jpeg_struct) */
-    void *delay_timeout;
-    PRUint32 delay_time;
-
-    png_structp pngs_p;
-    png_infop info_p;
-    jmp_buf jmpbuf;		/* use ours, not libpng's, for consistency */
-    PRUint32 width;
-    PRUint32 height;
-    int channels;               /* color channels (3 or 4) */
-    PRUint8 *rgbrow;              /* RGB row buffer (3*width bytes) */
-    PRUint8 *alpharow;            /* alpha row buffer (width bytes) */
-
-    /* One scanline's worth of post-processed sample data */
-
-    il_container *ic;
-
-} ipng_struct, *ipng_structp;
-