[gthumb/gthumb-3-2] media viewer: removed hack on the progress bar when using gtk+ 3.10

[Paolo Bacchilega <paobac src gnome org>]

commit af087cb576f9cdeb6a94317d1c29e267c1c958dd
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Nov 16 09:24:36 2013 +0100

    media viewer: removed hack on the progress bar when using gtk+ 3.10
    
    The default progress bar behaviour in gtk+ 3.10 is already what we
    want, this wasn't the case for previous versions of gtk+.

 extensions/gstreamer_tools/gth-media-viewer-page.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/extensions/gstreamer_tools/gth-media-viewer-page.c 
b/extensions/gstreamer_tools/gth-media-viewer-page.c
index 998d49c..3b93c75 100644
--- a/extensions/gstreamer_tools/gth-media-viewer-page.c
+++ b/extensions/gstreamer_tools/gth-media-viewer-page.c
@@ -400,6 +400,11 @@ position_scale_change_value_cb (GtkRange      *range,
 {
        GthMediaViewerPage *self = user_data;
 
+#if GTK_CHECK_VERSION(3,10,0)
+       /* gtk+ 3.10 works correctly by default */
+       return FALSE;
+#endif
+
        if (self->priv->block_next_jump && (scroll == GTK_SCROLL_JUMP)) {
                self->priv->block_next_jump = FALSE;
                return TRUE;