package/mpd: bump to version 0.22.6

Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit ec15f89be9a32cbcc565ca57cf240a68d9f69eb3)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/mpd/mpd.hash

@@ -1,3 +1,3 @@
 # Locally calculated after checking pgp signature
-sha256  338012037b5e67730529187c555a54cc567a85b15a7e8ddb3a807b1971566ccf  mpd-0.22.3.tar.xz
+sha256  2be149a4895c3cb613477f8cf1193593e3d8a1d38a75ffa7d32da8c8316a4d5e  mpd-0.22.6.tar.xz
 sha256  ab15fd526bd8dd18a9e77ebc139656bf4d33e97fc7238cd11bf60e2b9b8666c6  COPYING

package/mpd/mpd.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 MPD_VERSION_MAJOR = 0.22
-MPD_VERSION = $(MPD_VERSION_MAJOR).3
+MPD_VERSION = $(MPD_VERSION_MAJOR).6
 MPD_SOURCE = mpd-$(MPD_VERSION).tar.xz
 MPD_SITE = http://www.musicpd.org/download/mpd/$(MPD_VERSION_MAJOR)
 MPD_DEPENDENCIES = host-pkgconf boost