Ensure proper translation of the about dialog title

Note that GTK+ sets a default title of _("About %s") on the dialog
window (where %s is replaced by the name of the application, but
in order to ensure proper translation of the title, applications
should set the title property explicitly when constructing a
GtkAboutDialog

https://developer.gnome.org/gtk3/stable/GtkAboutDialog.html

Author: rbuj

src/eom-window.c

@@ -2581,6 +2581,7 @@ eom_window_cmd_about (GtkAction *action, gpointer user_data)
 
 	gtk_show_about_dialog (GTK_WINDOW (window),
 			       "program-name", _("Eye of MATE"),
+			       "title", _("About Eye of MATE"),
 			       "version", VERSION,
 			       "copyright", _("Copyright \xc2\xa9 2000-2010 Free Software Foundation, Inc.\n"
 			                      "Copyright \xc2\xa9 2011 Perberos\n"