package/dovecot-pigeonhole: bump version to 0.4.21

Added license hash.

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/dovecot-pigeonhole/dovecot-pigeonhole.hash

@@ -1,2 +1,3 @@
 # Locally computed after checking signature
-sha256 629204bfbdcd3480e1ebcdc246da438323c3ea5fea57480ab859e8b201ad8793  dovecot-2.2-pigeonhole-0.4.19.tar.gz
+sha256 4ae09cb788c5334d167f5a89ee70b0616c3231e5904ad258ce408e4953cfdd6a  dovecot-2.2-pigeonhole-0.4.21.tar.gz
+sha256 fc9e9522216f2a9a28b31300e3c73c1df56acc27dfae951bf516e7995366b51a  COPYING

package/dovecot-pigeonhole/dovecot-pigeonhole.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-DOVECOT_PIGEONHOLE_VERSION = 0.4.19
+DOVECOT_PIGEONHOLE_VERSION = 0.4.21
 DOVECOT_PIGEONHOLE_SOURCE = dovecot-2.2-pigeonhole-$(DOVECOT_PIGEONHOLE_VERSION).tar.gz
 DOVECOT_PIGEONHOLE_SITE = http://pigeonhole.dovecot.org/releases/2.2
 DOVECOT_PIGEONHOLE_LICENSE = LGPL-2.1