if_bridge.h uses struct in6_addr ip6; but does not include the in6.h header.

Found by trying to build libvirt and connman against 3.8-rc3 headers.

Reported-by: Colin Guthrie <colin@mageia.org>
Reported-by: Christiaan Welvaart <cjw@daneel.dyndns.org>
Signed-off-by: Thomas Backlund <tmb@mageia.org>

--

diff -Nurp linux-3.8-rc3/include/uapi/linux/if_bridge.h linux-3.8-rc3.fix/include/uapi/linux/if_bridge.h
--- linux-3.8-rc3/include/uapi/linux/if_bridge.h	2013-01-13 20:09:54.257271755 +0200
+++ linux-3.8-rc3.fix/include/uapi/linux/if_bridge.h	2013-01-13 20:15:04.153676151 +0200
@@ -14,6 +14,7 @@
 #define _UAPI_LINUX_IF_BRIDGE_H
 
 #include <linux/types.h>
+#include <linux/in6.h>
 
 #define SYSFS_BRIDGE_ATTR	"bridge"
 #define SYSFS_BRIDGE_FDB	"brforward"