[gparted] Fix slightly messed up comment in Win_GParted::on_show() (#771816)

[Curtis Gedak <gedakc src gnome org>]

commit 6bacd6ae4d210f3c5eb11f473ec163d20f0e8cdb
Author: Mike Fleetwood <mike fleetwood googlemail com>
Date:   Mon Oct 10 16:24:31 2016 +0100

    Fix slightly messed up comment in Win_GParted::on_show() (#771816)
    
    Bug 771816 - GParted never exits if the main window is closed before the
                 initial device load completes

 src/Win_GParted.cc |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/Win_GParted.cc b/src/Win_GParted.cc
index e226f76..5e12d8b 100644
--- a/src/Win_GParted.cc
+++ b/src/Win_GParted.cc
@@ -1393,10 +1393,10 @@ void Win_GParted::on_show()
        close_operationslist() ;
 
        // Register callback for as soon as the main window has been shown to perform the
-       // first load of the disk device details.  Do it this way because the Gtk::main
+       // first load of the disk device details.  Do it this way because the Gtk  main
        // loop doesn't seem to enable quit handling until on_show(), this function, has
-       // drawn the main window for the first time and returned, and we want Close Window [Alt-quit to work
-       // during the initial load of the disk device details.
+       // drawn the main window for the first time and returned, and we want Close Window
+       // [Alt-F4] to work during the initial load of the disk device details.
        g_idle_add( initial_device_refresh, this );
 }