[gthumb] moved check for null in the show_pointer function

[Paolo Bacchilega <paobac src gnome org>]

commit a5113b72edcde6bbf7d75f54aa30989382b528ee
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Fri May 2 11:40:00 2014 +0200

    moved check for null in the show_pointer function

 gthumb/gth-browser.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/gthumb/gth-browser.c b/gthumb/gth-browser.c
index 22013a0..a896d1e 100644
--- a/gthumb/gth-browser.c
+++ b/gthumb/gth-browser.c
@@ -1941,7 +1941,8 @@ _gth_browser_show_pointer_on_viewer (GthBrowser *browser,
                                     gboolean    show)
 {
        browser->priv->pointer_visible = show;
-       gth_viewer_page_show_pointer (GTH_VIEWER_PAGE (browser->priv->viewer_page), show);
+       if (browser->priv->viewer_page != NULL)
+               gth_viewer_page_show_pointer (GTH_VIEWER_PAGE (browser->priv->viewer_page), show);
 }
 
 
@@ -2274,8 +2275,7 @@ hide_mouse_pointer_cb (gpointer data)
        browser->priv->pointer_visible = FALSE;
        gtk_widget_hide (browser->priv->fullscreen_toolbar);
        g_list_foreach (browser->priv->fixed_viewer_controls, (GFunc) gtk_widget_hide, NULL);
-       if (browser->priv->viewer_page != NULL)
-               _gth_browser_show_pointer_on_viewer (browser, FALSE);
+       _gth_browser_show_pointer_on_viewer (browser, FALSE);
 
        return FALSE;
 }
@@ -2306,8 +2306,7 @@ viewer_motion_notify_event_cb (GtkWidget      *widget,
                                gtk_widget_show (browser->priv->fullscreen_toolbar);
                        g_list_foreach (browser->priv->fixed_viewer_controls, (GFunc) gtk_widget_show, NULL);
                }
-               if (browser->priv->viewer_page != NULL)
-                       _gth_browser_show_pointer_on_viewer (browser, TRUE);
+               _gth_browser_show_pointer_on_viewer (browser, TRUE);
        }
 
        if (browser->priv->hide_mouse_timeout != 0)