[gthumb] fixed compilation when libtiff is not available

[Paolo Bacchilega <paobac src gnome org>]

commit 30219aeba7b8e8924730690a7e771a4c5df54dc1
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Mar 12 18:31:45 2012 +0100

    fixed compilation when libtiff is not available
    
    [bug #671892]

 extensions/pixbuf_savers/gth-tiff-saver.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/extensions/pixbuf_savers/gth-tiff-saver.c b/extensions/pixbuf_savers/gth-tiff-saver.c
index 17e0269..eea62bb 100644
--- a/extensions/pixbuf_savers/gth-tiff-saver.c
+++ b/extensions/pixbuf_savers/gth-tiff-saver.c
@@ -117,7 +117,7 @@ gth_tiff_saver_get_control (GthPixbufSaver *base)
 
 #else /* ! HAVE_LIBTIFF */
 
-	return GTH_PIXBUF_SAVER_CLASS (parent_class)->get_control (base);
+	return GTH_PIXBUF_SAVER_CLASS (gth_tiff_saver_parent_class)->get_control (base);
 
 #endif /* HAVE_LIBTIFF */
 }