[evince] Fix warnings with GTK+ 3.20

[Carlos Garcia Campos <carlosgc src gnome org>]

commit f91addc511de57e679fb6e50781b5f1ed27a9b02
Author: Trinh Anh Ngoc <atw1990 gmail com>
Date:   Sun Nov 29 10:33:52 2015 +0700

    Fix warnings with GTK+ 3.20
    
    https://bugzilla.gnome.org/show_bug.cgi?id=758793

 cut-n-paste/libgd/gd-two-lines-renderer.c |    3 +++
 libview/ev-view.c                         |    4 +++-
 2 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/cut-n-paste/libgd/gd-two-lines-renderer.c b/cut-n-paste/libgd/gd-two-lines-renderer.c
index 564be88..aeb8a6f 100644
--- a/cut-n-paste/libgd/gd-two-lines-renderer.c
+++ b/cut-n-paste/libgd/gd-two-lines-renderer.c
@@ -331,7 +331,10 @@ gd_two_lines_renderer_get_preferred_width (GtkCellRenderer *cell,
 
   /* Fetch the average size of a charachter */
   context = gtk_widget_get_pango_context (widget);
+  gtk_style_context_save (style_context);
+  gtk_style_context_set_state (style_context, 0);
   gtk_style_context_get (style_context, 0, "font", &font_desc, NULL);
+  gtk_style_context_restore (style_context);
   metrics = pango_context_get_metrics (context, font_desc,
                                        pango_context_get_language (context));
 
diff --git a/libview/ev-view.c b/libview/ev-view.c
index 04e4357..eee20ef 100644
--- a/libview/ev-view.c
+++ b/libview/ev-view.c
@@ -6663,9 +6663,11 @@ _ev_view_get_selection_colors (EvView  *view,
        GtkStateFlags    state;
        GtkStyleContext *context;
 
-       state = gtk_widget_has_focus (widget) ? GTK_STATE_FLAG_SELECTED : GTK_STATE_FLAG_ACTIVE;
        context = gtk_widget_get_style_context (widget);
        gtk_style_context_save (context);
+       state = gtk_style_context_get_state (context) |
+               (gtk_widget_has_focus (widget) ? GTK_STATE_FLAG_SELECTED : GTK_STATE_FLAG_ACTIVE);
+       gtk_style_context_set_state (context, state);
 
        if (bg_color)
                gtk_style_context_get_background_color (context, state, bg_color);