[gimp] file-png: Specify the interlace type explicitly

[Mukund Sivaraman <muks src gnome org>]

commit 4fa2bbabf9959dc8bebc45fe263e737198c30e99
Author: Mukund Sivaraman <muks banu com>
Date:   Thu May 5 18:53:11 2011 +0530

    file-png: Specify the interlace type explicitly

 plug-ins/common/file-png.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/common/file-png.c b/plug-ins/common/file-png.c
index b16dbf5..4405ea4 100644
--- a/plug-ins/common/file-png.c
+++ b/plug-ins/common/file-png.c
@@ -1473,7 +1473,7 @@ save_image (const gchar  *filename,
   png_set_IHDR (pp, info, drawable->width, drawable->height,
                 bit_depth,
                 color_type,
-                pngvals.interlaced,
+                pngvals.interlaced ? PNG_INTERLACE_ADAM7 : PNG_INTERLACE_NONE,
                 PNG_COMPRESSION_TYPE_BASE,
                 PNG_FILTER_TYPE_BASE);
   png_set_compression_level (pp, pngvals.compression_level);