[gnome-commander/Implement_CppCheck_suggestions] C++11 cast

[Uwe Scholz <uwescholz src gnome org>]

commit 3052463f658ad846aa164e569eb2b3b0f94cd4e3
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Wed Mar 13 22:32:16 2019 +0100

    C++11 cast

 src/gnome-cmd-about-plugin.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/gnome-cmd-about-plugin.cc b/src/gnome-cmd-about-plugin.cc
index 7b0730e7..de80ffd8 100644
--- a/src/gnome-cmd-about-plugin.cc
+++ b/src/gnome-cmd-about-plugin.cc
@@ -760,7 +760,7 @@ GtkWidget *gnome_cmd_about_plugin_new (PluginInfo *info)
 {
     g_return_val_if_fail (info != nullptr, nullptr);
 
-    GnomeCmdAboutPlugin *about = (GnomeCmdAboutPlugin *) g_object_new (GNOME_CMD_TYPE_ABOUT_PLUGIN, NULL);
+    auto about = static_cast<GnomeCmdAboutPlugin*> (g_object_new (GNOME_CMD_TYPE_ABOUT_PLUGIN, nullptr));
 
     gnome_cmd_about_plugin_construct(about,
                                      info->name, info->version, info->copyright, info->comments,