[gparted] modern-gtk2: Use Gtk::AlignmentEnum::ALIGN_START (!17)

[Mike Fleetwood <mfleetwo src gnome org>]

commit 3d6ee55606019c0a7e0aedcb128a6256e36e83ac
Author: Luca Bacci <luca bacci982 gmail com>
Date:   Fri Aug 10 09:49:30 2018 +0200

    modern-gtk2: Use Gtk::AlignmentEnum::ALIGN_START (!17)
    
    Gtkmm 2.22 deprecated Gtk::AlignmentEnum::ALIGN_{LEFT,RIGHT,TOP,BOTTOM}
    replacing with Gtk::AlignmentEnum::ALIGN_{START,END}.
    
    References:
    https://developer.gnome.org/gtkmm/2.24/group__gtkmmEnums.html#ga98983d4e80f67ffa5148dd554706ffac
    https://gitlab.gnome.org/GNOME/gtkmm/blob/2.22.0/NEWS#L14
    
    Closes !17 - Gtk2 modernisation

 src/Dialog_Progress.cc | 4 ++--
 src/TreeView_Detail.cc | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/Dialog_Progress.cc b/src/Dialog_Progress.cc
index 7aae8b6d..abee2000 100644
--- a/src/Dialog_Progress.cc
+++ b/src/Dialog_Progress.cc
@@ -49,13 +49,13 @@ Dialog_Progress::Dialog_Progress( const std::vector<Operation *> & operations )
                str_temp += "\n";
                vbox->pack_start(*Utils::mk_label(str_temp), Gtk::PACK_SHRINK);
 
-               label_current.set_alignment(Gtk::ALIGN_LEFT);
+               label_current.set_alignment(Gtk::ALIGN_START);
                vbox->pack_start(label_current, Gtk::PACK_SHRINK);
 
                progressbar_current.set_pulse_step(0.01);
                vbox->pack_start(progressbar_current, Gtk::PACK_SHRINK);
 
-               label_current_sub.set_alignment(Gtk::ALIGN_LEFT);
+               label_current_sub.set_alignment(Gtk::ALIGN_START);
                vbox->pack_start(label_current_sub, Gtk::PACK_SHRINK);
 
                vbox->pack_start(*Utils::mk_label("<b>" + Glib::ustring(_("Completed Operations:")) + "</b>"),
diff --git a/src/TreeView_Detail.cc b/src/TreeView_Detail.cc
index 375837fe..f5e6834b 100644
--- a/src/TreeView_Detail.cc
+++ b/src/TreeView_Detail.cc
@@ -57,11 +57,11 @@ TreeView_Detail::TreeView_Detail()
        // Tree view column "File System"; add file system text cell.
        get_column( 2 )->pack_start( treeview_detail_columns.filesystem, true );
        // Color pixbuf cell is left aligned.
-       get_column(2)->get_first_cell()->property_xalign() = Gtk::ALIGN_LEFT;
+       get_column(2)->get_first_cell()->property_xalign() = Gtk::ALIGN_START;
        // File system text cell is left aligned.
        std::vector<Gtk::CellRenderer*> renderers = get_column( 2 )->get_cell_renderers();
        Gtk::CellRendererText *cell_renderer_text = dynamic_cast<Gtk::CellRendererText*>( renderers.back() );
-       cell_renderer_text ->property_xalign() = Gtk::ALIGN_LEFT ;
+       cell_renderer_text->property_xalign() = Gtk::ALIGN_START;
 
        // Tree view column "Mount Point", make column resizable and show too wide text
        // with ellipsis.