[gnome-commander/gcmd-1-10] Use define statement for static stock id

[Uwe Scholz <uwescholz src gnome org>]

commit 4e15e7bc546c4b25f35762a4706aeeaa647da975
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Thu May 14 21:37:23 2020 +0200

    Use define statement for static stock id

 src/gnome-cmd-main-win.cc | 4 ++--
 src/imageloader.cc        | 4 ++--
 src/imageloader.h         | 5 ++++-
 3 files changed, 8 insertions(+), 5 deletions(-)
---
diff --git a/src/gnome-cmd-main-win.cc b/src/gnome-cmd-main-win.cc
index 546b13db..1f0ccd5c 100644
--- a/src/gnome-cmd-main-win.cc
+++ b/src/gnome-cmd-main-win.cc
@@ -235,14 +235,14 @@ static void create_toolbar (GnomeCmdMainWin *mw)
         { "Back", GTK_STOCK_GO_BACK, nullptr, nullptr, _("Go back"), (GCallback) view_back },
         { "Forward", GTK_STOCK_GO_FORWARD, nullptr, nullptr, _("Go forward"), (GCallback) view_forward },
         { "Latest", GTK_STOCK_GOTO_LAST, nullptr, nullptr, _("Go to the latest"), (GCallback) view_last },
-        { "CopyFileNames", "my_stock_copy_file_names_xpm", nullptr, nullptr, _("Copy file names (SHIFT for 
full paths, ALT for URIs)"), (GCallback) edit_copy_fnames },
+        { "CopyFileNames", COPYFILENAMES_STOCKID, nullptr, nullptr, _("Copy file names (SHIFT for full 
paths, ALT for URIs)"), (GCallback) edit_copy_fnames },
         { "Cut", GTK_STOCK_CUT, nullptr, nullptr, _("Cut"), (GCallback) edit_cap_cut },
         { "Copy", GTK_STOCK_COPY, nullptr, nullptr, _("Copy"), (GCallback) edit_cap_copy },
         { "Paste", GTK_STOCK_PASTE, nullptr, nullptr, _("Paste"), (GCallback) edit_cap_paste },
         { "Delete", GTK_STOCK_DELETE, nullptr, nullptr, _("Delete"), (GCallback) file_delete },
         { "Edit", GTK_STOCK_EDIT,nullptr, nullptr, _("Edit (SHIFT for new document)"), (GCallback) file_edit 
},
         { "Send", GTK_STOCK_EXECUTE, nullptr, nullptr, _("Send files"), (GCallback) file_sendto },
-        { "Terminal", "my_stock_terminal_svg", nullptr, nullptr, _("Open terminal (SHIFT for root 
privileges)"), (GCallback) command_open_terminal__internal },
+        { "Terminal", TERMINAL_STOCKID, nullptr, nullptr, _("Open terminal (SHIFT for root privileges)"), 
(GCallback) command_open_terminal__internal },
         { "Remote", GTK_STOCK_CONNECT, nullptr, nullptr, _("Remote Server"), (GCallback) connections_open },
         { "Drop", nullptr, nullptr, nullptr, _("Drop connection"), (GCallback) connections_close_current }
     };
diff --git a/src/imageloader.cc b/src/imageloader.cc
index 16e0cf8d..3c5d750d 100644
--- a/src/imageloader.cc
+++ b/src/imageloader.cc
@@ -496,8 +496,8 @@ static struct
     const gchar *stock_id;
 } stock_icons[] =
 {
-    { PIXMAPS_DIR G_DIR_SEPARATOR_S "copy_file_names.xpm", "gnome-commander-copy-file-names" },
-    { PIXMAPS_DIR G_DIR_SEPARATOR_S "terminal.svg", "gnome-commander-terminal" }
+    { PIXMAPS_DIR G_DIR_SEPARATOR_S "copy_file_names.xpm", COPYFILENAMES_STOCKID },
+    { PIXMAPS_DIR G_DIR_SEPARATOR_S "terminal.svg", TERMINAL_STOCKID }
 };
 
 static gint n_stock_icons = G_N_ELEMENTS (stock_icons);
diff --git a/src/imageloader.h b/src/imageloader.h
index 904352d0..ab3e100e 100644
--- a/src/imageloader.h
+++ b/src/imageloader.h
@@ -1,4 +1,4 @@
-/** 
+/**
  * @file imageloader.h
  * @copyright (C) 2001-2006 Marcus Bjurman\n
  * @copyright (C) 2007-2012 Piotr Eljasiak\n
@@ -21,6 +21,9 @@
 
 #pragma once
 
+#define COPYFILENAMES_STOCKID "gnome-commander-copy-file-names"
+#define TERMINAL_STOCKID "gnome-commander-terminal"
+
 #include "gnome-cmd-pixmap.h"
 
 /**