[gtk+] Silence gtk-doc warnings

[Matthias Clasen <matthiasc src gnome org>]

commit 4ce2f3e7696f5a36c456ecd196b2d0a2ed0c4b3c
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 27 12:45:04 2014 -0400

    Silence gtk-doc warnings

 docs/reference/gtk/gtk3-sections.txt |    1 -
 gtk/gtkgesturerotate.c               |    7 ++++---
 gtk/gtkgesturezoom.c                 |    7 +++----
 3 files changed, 7 insertions(+), 8 deletions(-)
---
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index 8a30cf5..14ea216 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -8046,7 +8046,6 @@ gtk_gesture_multi_press_get_type
 <TITLE>GtkGesturePan</TITLE>
 GtkGesturePan
 GtkPanDirection
-GtkPanOrientation
 gtk_gesture_pan_new
 gtk_gesture_pan_get_orientation
 gtk_gesture_pan_set_orientation
diff --git a/gtk/gtkgesturerotate.c b/gtk/gtkgesturerotate.c
index 8675125..e42f641 100644
--- a/gtk/gtkgesturerotate.c
+++ b/gtk/gtkgesturerotate.c
@@ -198,7 +198,8 @@ gtk_gesture_rotate_new (GtkWidget *widget)
  * @gesture: a #GtkGestureRotate
  *
  * If @gesture is active, this function returns the angle difference
- * in radians since the gesture was first recognized.
+ * in radians since the gesture was first recognized. If @gesture is
+ * not active, 0 is returned.
  *
  * Returns: the angle delta in radians
  *
@@ -210,10 +211,10 @@ gtk_gesture_rotate_get_angle_delta (GtkGestureRotate *gesture)
   GtkGestureRotatePrivate *priv;
   gdouble angle;
 
-  g_return_val_if_fail (GTK_IS_GESTURE_ROTATE (gesture), FALSE);
+  g_return_val_if_fail (GTK_IS_GESTURE_ROTATE (gesture), 0.0);
 
   if (!_gtk_gesture_rotate_get_angle (gesture, &angle))
-    return 0;
+    return 0.0;
 
   priv = gtk_gesture_rotate_get_instance_private (gesture);
 
diff --git a/gtk/gtkgesturezoom.c b/gtk/gtkgesturezoom.c
index 6fef521..a80ebd1 100644
--- a/gtk/gtkgesturezoom.c
+++ b/gtk/gtkgesturezoom.c
@@ -189,13 +189,12 @@ gtk_gesture_zoom_new (GtkWidget *widget)
 /**
  * gtk_gesture_zoom_get_scale_delta:
  * @gesture: a #GtkGestureZoom
- * @scale: (out) (transfer none): zoom delta
  *
  * If @gesture is active, this function returns the zooming difference
  * since the gesture was recognized (hence the starting point is
  * considered 1:1). If @gesture is not active, 1 is returned.
  *
- * Returns: %TRUE if @controller is recognizing a zoom gesture
+ * Returns: the scale delta
  *
  * Since: 3.14
  **/
@@ -205,10 +204,10 @@ gtk_gesture_zoom_get_scale_delta (GtkGestureZoom *gesture)
   GtkGestureZoomPrivate *priv;
   gdouble distance;
 
-  g_return_val_if_fail (GTK_IS_GESTURE_ZOOM (gesture), FALSE);
+  g_return_val_if_fail (GTK_IS_GESTURE_ZOOM (gesture), 1.0);
 
   if (!_gtk_gesture_zoom_get_distance (gesture, &distance))
-    return 1;
+    return 1.0;
 
   priv = gtk_gesture_zoom_get_instance_private (gesture);