dovecot: bump to version 2.2.19

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Acked-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/dovecot/dovecot.hash

@@ -1,2 +1,2 @@
 # Locally computed
-sha256	b6d8468cea47f1227f47b80618f7fb872e2b2e9d3302adc107a005dd083865bb	dovecot-2.2.18.tar.gz
+sha256 759e1e3f9d907cdaabad1f5fbacc793ca191d234c084bec3bba42966952a4e9f  dovecot-2.2.19.tar.gz

package/dovecot/dovecot.mk

@@ -5,7 +5,7 @@
 ################################################################################
 
 DOVECOT_VERSION_MAJOR = 2.2
-DOVECOT_VERSION = $(DOVECOT_VERSION_MAJOR).18
+DOVECOT_VERSION = $(DOVECOT_VERSION_MAJOR).19
 DOVECOT_SITE = http://www.dovecot.org/releases/$(DOVECOT_VERSION_MAJOR)
 DOVECOT_INSTALL_STAGING = YES
 DOVECOT_LICENSE = LGPLv2.1