Call Gio::init from PBD::init instead of ARDOUR::init

PBD needs Gio for PBD::copy_file and perhaps others

libs/ardour/globals.cc

@@ -50,8 +50,6 @@
 #undef check /* stupid Apple and their un-namespaced, generic Carbon macros */
 #endif 
 
-#include <giomm.h>
-
 #include <glibmm/fileutils.h>
 #include <glibmm/miscutils.h>
 
@@ -227,9 +225,6 @@ ARDOUR::init (bool use_windows_vst, bool try_optimization, const char* localedir
 
 	if (!PBD::init()) return false;
 
-	// this really should be in PBD::init..if there was one
-	Gio::init ();
-
 #ifdef ENABLE_NLS
 	(void) bindtextdomain(PACKAGE, localedir);
 #endif

libs/pbd/pbd.cc

@@ -20,6 +20,8 @@
 #include <iostream>
 #include <cstdlib>
 
+#include <giomm.h>
+
 #include <glibmm/thread.h>
 
 #include "pbd/pbd.h"
@@ -46,6 +48,8 @@ PBD::init ()
 		Glib::thread_init();
 	}
 
+	Gio::init ();
+
 	PBD::ID::init ();
 
 	libpbd_initialized = true;