[dia] [warningectomy] fix casts

[Hans Breuer <hans src gnome org>]

commit 531930ccf913ce7c7f833478a104b42c8ffdb7bf
Author: Hans Breuer <hans breuer org>
Date:   Mon Aug 2 15:06:06 2010 +0200

    [warningectomy] fix casts
    
    interface.c: In function 'display_data_received_callback':
    interface.c:479: warning: passing argument 1 of 'gtk_window_present'
    from incompatible pointer type
    /usr/include/gtk-2.0/gtk/gtkwindow.h:329: note: expected 'struct
    GtkWindow *' but argument is of type 'struct GtkWidget *'
    interface.c: In function 'create_widget_from_xpm_or_gdkp':
    interface.c:1097: warning: pointer targets in passing argument 2 of
    'gdk_pixbuf_new_from_inline' differ in signedness
    /usr/include/gtk-2.0/gdk-pixbuf/gdk-pixbuf-core.h:153: note: expected
    'const guint8 *' but argument is of type 'char *'
    interface.c: In function 'create_integrated_ui':
    interface.c:1627: warning: unused variable 'pixbuf'

 app/interface.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)
---
diff --git a/app/interface.c b/app/interface.c
index 68c9a61..ba7c79a 100644
--- a/app/interface.c
+++ b/app/interface.c
@@ -476,7 +476,7 @@ display_data_received_callback (GtkWidget *widget,
     dia_dnd_file_drag_data_received (widget, context, x, y, data, info, time, ddisp);
   }
   /* ensure the right window has the focus for text editing */
-  gtk_window_present(ddisp->shell);
+  gtk_window_present(GTK_WINDOW(ddisp->shell));
 }
 
 /**
@@ -1094,7 +1094,7 @@ create_widget_from_xpm_or_gdkp(gchar **icon_data, GtkWidget *button)
 
   if (strncmp((char*)icon_data, "GdkP", 4) == 0) {
     GdkPixbuf *p;
-    p = gdk_pixbuf_new_from_inline(-1, (char*)icon_data, TRUE, NULL);
+    p = gdk_pixbuf_new_from_inline(-1, (guint8*)icon_data, TRUE, NULL);
     pixmapwidget = gtk_image_new_from_pixbuf(p);
   } else {
     GdkBitmap *mask = NULL;
@@ -1624,7 +1624,6 @@ create_integrated_ui (void)
   GtkWidget *notebook;
   GtkWidget *statusbar;
   GtkAccelGroup *accel_group;
-  GdkPixbuf *pixbuf;
 
   GtkWidget *layer_view;