[gtksourceview] Adapt to Gtk method signature change

[Paolo Borelli <pborelli src gnome org>]

commit 9b3a138c42ca9f2f3cf3762695671dbd10c54741
Author: Paolo Borelli <pborelli gnome org>
Date:   Thu Aug 14 16:54:14 2014 +0200

    Adapt to Gtk method signature change

 configure.ac                  |    2 +-
 gtksourceview/gtksourceview.c |   10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9f7cb38..dae2846 100644
--- a/configure.ac
+++ b/configure.ac
@@ -58,7 +58,7 @@ AC_CHECK_HEADERS([unistd.h])
 
 # Dependencies
 GLIB_REQUIRED_VERSION=2.37.3
-GTK_REQUIRED_VERSION=3.13.6
+GTK_REQUIRED_VERSION=3.13.7
 LIBXML_REQUIRED_VERSION=2.6.0
 GLADE_UI_REQUIRED=3.9
 
diff --git a/gtksourceview/gtksourceview.c b/gtksourceview/gtksourceview.c
index 538e156..c0799ac 100644
--- a/gtksourceview/gtksourceview.c
+++ b/gtksourceview/gtksourceview.c
@@ -249,7 +249,7 @@ static void gtk_source_view_get_property            (GObject           *object,
 static void    gtk_source_view_style_updated                   (GtkWidget         *widget);
 static void    gtk_source_view_realize                 (GtkWidget         *widget);
 static void    gtk_source_view_update_style_scheme             (GtkSourceView     *view);
-static void     gtk_source_view_draw_layer              (GtkWidget         *widget,
+static void    gtk_source_view_draw_layer              (GtkTextView        *view,
                                                         GtkTextViewLayer   layer,
                                                         cairo_t           *cr);
 
@@ -2341,16 +2341,16 @@ gtk_source_view_paint_right_margin (GtkSourceView *view,
 }
 
 static void
-gtk_source_view_draw_layer (GtkWidget *widget,
+gtk_source_view_draw_layer (GtkTextView *text_view,
                            GtkTextViewLayer layer,
                            cairo_t *cr)
 {
+       GtkWidget *widget;
        GtkSourceView *view;
-       GtkTextView *text_view;
        double clip_x1, clip_y1, clip_x2, clip_y2;
 
-       view = GTK_SOURCE_VIEW (widget);
-       text_view = GTK_TEXT_VIEW (widget);
+       widget = GTK_WIDGET (text_view);
+       view = GTK_SOURCE_VIEW (text_view);
 
        cairo_save (cr);