Build fix for 'driver.c' when building with loadable modules

The 'asprintf' -> 'virAsprintf' transition made in
[043d702f] "use virAsprintf instead of asprintf" introducted
a build error for 'driver.c' as 'util.h' has to be included.
Signed-off-by: NMaximilian Wilhelm <max@rfc2324.org>

ChangeLog

+Tue Feb 17 11:41:10 +0100 2009 Maximilian Wilhelm <max@rfc2324.org>
+
+	Build fix for 'driver.c' when building with loadable modules
+	The 'asprintf' -> 'virAsprintf' transition made in
+	[9e5d9950] "use virAsprintf instead of asprintf" introducted
+	a build error for 'driver.c' as 'util.h' has to be included.
+
+	Signed-off-by: Maximilian Wilhelm <max@rfc2324.org>
+
 Tue Feb 17 11:32:01 +0100 2009 Jim Meyering <meyering@redhat.com>
 
 	Avoid link failure when configured --with-driver-modules

src/driver.c

 /*
  * driver.c: Helpers for loading drivers
  *
- * Copyright (C) 2006-2008 Red Hat, Inc.
+ * Copyright (C) 2006-2009 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -27,6 +27,7 @@
 #include "driver.h"
 #include "memory.h"
 #include "logging.h"
+#include "util.h"
 
 #define DEFAULT_DRIVER_DIR LIBDIR "/libvirt/drivers"