[baobab] baobab-chart: add dummy handler for GDK_SCROLL_SMOOTH

[Stefano Facchini <sfacchini src gnome org>]

commit d724a028d54fea765dda4578a1f30910e77ab1a9
Author: Stefano Facchini <stefano facchini gmail com>
Date:   Tue Mar 13 11:09:37 2012 +0100

    baobab-chart: add dummy handler for GDK_SCROLL_SMOOTH

 configure.ac       |    2 +-
 src/baobab-chart.c |    6 ++++++
 2 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8af9290..ed49bcd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -41,7 +41,7 @@ YELP_HELP_INIT
 
 PKG_CHECK_MODULES(BAOBAB, [
     glib-2.0 >= 2.30.0
-    gtk+-3.0 >= 3.0.0
+    gtk+-3.0 >= 3.3.18
     libgtop-2.0
 ])
 
diff --git a/src/baobab-chart.c b/src/baobab-chart.c
index d6d95d2..c5ef26b 100644
--- a/src/baobab-chart.c
+++ b/src/baobab-chart.c
@@ -1025,6 +1025,12 @@ baobab_chart_scroll (GtkWidget *widget,
       if (baobab_chart_can_zoom_in (chart))
         baobab_chart_zoom_in (chart);
       break;
+
+    case GDK_SCROLL_SMOOTH :
+      /* since we don't add GDK_SMOOTH_SCROLL_MASK to received
+         events, this is actually never reached and it's here
+         just to silence compiler warnings */
+      break;
     }
 
   return FALSE;