Bluetooth: Increase minor version of core module

With the addition of Resolvable Private Address (RPA) resolution
support for Bluetooth Low Energy connections, it makes sense to
increase the minor version of the Bluetooth core module.

The module version is not used anywhere, but it gives a nice extra
hint for debugging purposes.
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: NJohan Hedberg <johan.hedberg@intel.com>

net/bluetooth/af_bluetooth.c

@@ -31,7 +31,7 @@
 #include <net/bluetooth/bluetooth.h>
 #include <linux/proc_fs.h>
 
-#define VERSION "2.18"
+#define VERSION "2.19"
 
 /* Bluetooth sockets */
 #define BT_MAX_PROTO	8