[gtk+] gtknotebook: Simplify some if-conditions

[Philip Withnall <pwithnall src gnome org>]

commit 69102ac8df7945de700b6fc8210b921fa9204866
Author: Philip Withnall <withnall endlessm com>
Date:   Mon Sep 11 09:26:52 2017 +0100

    gtknotebook: Simplify some if-conditions
    
    Signed-off-by: Philip Withnall <withnall endlessm com>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=787303

 gtk/gtknotebook.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/gtk/gtknotebook.c b/gtk/gtknotebook.c
index 82068ca..db0d9e7 100644
--- a/gtk/gtknotebook.c
+++ b/gtk/gtknotebook.c
@@ -5121,8 +5121,7 @@ gtk_notebook_calculate_tabs_allocation (GtkNotebook          *notebook,
         {
         case GTK_POS_TOP:
         case GTK_POS_BOTTOM:
-          if (priv->operation != DRAG_OPERATION_REORDER ||
-              (priv->operation == DRAG_OPERATION_REORDER && page != priv->cur_page))
+          if (priv->operation != DRAG_OPERATION_REORDER || page != priv->cur_page)
             {
               if (priv->operation == DRAG_OPERATION_REORDER)
                 {
@@ -5143,8 +5142,7 @@ gtk_notebook_calculate_tabs_allocation (GtkNotebook          *notebook,
           break;
         case GTK_POS_LEFT:
         case GTK_POS_RIGHT:
-          if (priv->operation != DRAG_OPERATION_REORDER  ||
-              (priv->operation == DRAG_OPERATION_REORDER && page != priv->cur_page))
+          if (priv->operation != DRAG_OPERATION_REORDER || page != priv->cur_page)
             {
               if (priv->operation == DRAG_OPERATION_REORDER)
                 {