pidgin/pidgin

Fix libpidgin not building on Windows.

2019-10-30, Elliott Sales de Andrade
5bd53ccdca70
Fix libpidgin not building on Windows.

Having `x11` be a disabler on Windows disables the libpidgin library,
but there are a lot of benefits to it being a disabler in other places.
Instead, just drop the dependency from libpidgin when unavailable.
#ifndef PIDGIN_ABOUT_H
#define PIDGIN_ABOUT_H
/**
* SECTION:pidginabout
* @section_id: pidgin-about
* @short_description: <filename>pidginabout.h</filename>
* @title: About Dialog
*/
#include <gtk/gtk.h>
G_BEGIN_DECLS
#define PIDGIN_TYPE_ABOUT_DIALOG (pidgin_about_dialog_get_type())
G_DECLARE_FINAL_TYPE(PidginAboutDialog, pidgin_about_dialog, PIDGIN,
ABOUT_DIALOG, GtkDialog)
GtkWidget *pidgin_about_dialog_new(void);
G_END_DECLS
#endif /* PIDGIN_ABOUT_H */