[gnome-commander/Implement_CppCheck_suggestions] Add menu entries for selecting files with same extension

[Uwe Scholz <uwescholz src gnome org>]

commit 425e9ec021ec1b8014d6c7c6b3baa8b13652e44a
Author: Uwe Scholz <u scholz83 gmx de>
Date:   Mon Apr 8 21:53:55 2019 +0200

    Add menu entries for selecting files with same extension

 src/gnome-cmd-main-menu.cc    | 14 +++++++++++++-
 src/gnome-cmd-user-actions.cc |  2 +-
 2 files changed, 14 insertions(+), 2 deletions(-)
---
diff --git a/src/gnome-cmd-main-menu.cc b/src/gnome-cmd-main-menu.cc
index d7319186..21ad2c7b 100644
--- a/src/gnome-cmd-main-menu.cc
+++ b/src/gnome-cmd-main-menu.cc
@@ -1,4 +1,4 @@
-/** 
+/**
  * @file gnome-cmd-main-menu.cc
  * @copyright (C) 2001-2006 Marcus Bjurman\n
  * @copyright (C) 2007-2012 Piotr Eljasiak\n
@@ -500,6 +500,18 @@ static void init (GnomeCmdMainMenu *main_menu)
             GNOME_APP_PIXMAP_NONE, NULL,
             NULL
         },
+        {
+            MENU_TYPE_ITEM, _("Select with same _Extension"), "", NULL,
+            (gpointer) mark_select_all_with_same_extension, NULL,
+            GNOME_APP_PIXMAP_NONE, NULL,
+            NULL
+        },
+        {
+            MENU_TYPE_ITEM, _("Unselect with same E_xtension"), "", NULL,
+            (gpointer) mark_unselect_all_with_same_extension, NULL,
+            GNOME_APP_PIXMAP_NONE, NULL,
+            NULL
+        },
         {
             MENU_TYPE_ITEM, _("_Invert Selection"), "*", NULL,
             (gpointer) mark_invert_selection, NULL,
diff --git a/src/gnome-cmd-user-actions.cc b/src/gnome-cmd-user-actions.cc
index 49c646f7..224ea5f9 100644
--- a/src/gnome-cmd-user-actions.cc
+++ b/src/gnome-cmd-user-actions.cc
@@ -1,4 +1,4 @@
-/** 
+/**
  * @file gnome-cmd-user-actions.cc
  * @copyright (C) 2001-2006 Marcus Bjurman\n
  * @copyright (C) 2007-2012 Piotr Eljasiak\n