[gimp] file-pnm: Pass format to gegl_buffer_get() to fix saving from other formats

[Mukund Sivaraman <muks src gnome org>]

commit c05853885a7d1ec73843ef6a50e4239b64585071
Author: Mukund Sivaraman <muks banu com>
Date:   Tue Jan 20 21:00:04 2015 +0530

    file-pnm: Pass format to gegl_buffer_get() to fix saving from other formats

 plug-ins/common/file-pnm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plug-ins/common/file-pnm.c b/plug-ins/common/file-pnm.c
index 3375bb5..3ce2ed3 100644
--- a/plug-ins/common/file-pnm.c
+++ b/plug-ins/common/file-pnm.c
@@ -1352,7 +1352,7 @@ save_image (GFile     *file,
 
           gegl_buffer_get (buffer,
                            GEGL_RECTANGLE (0, ypos, xres, yend - ypos), 1.0,
-                           NULL, data,
+                           format, data,
                            GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE);
 
           d = data;