dovecot: update to version 2.3.4.1 (security fix)

Fixes CVE-2019-3814

Signed-off-by: Jan Pavlinec <jan.pavlinec@nic.cz>

mail/dovecot/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=dovecot
-PKG_VERSION:=2.3.4
-PKG_RELEASE:=2
+PKG_VERSION:=2.3.4.1
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://www.dovecot.org/releases/2.3
-PKG_HASH:=d91b76eff8df6185c1799f1b279f780105bdeeea27e3286b42f4cab18efbef05
+PKG_HASH:=b8873e2ce5c33e58963bb7a8d2ff8427c09dbfdd63e13a0b0f4502864043aa07
 PKG_LICENSE:=LGPL-2.1 MIT BSD-3-Clause Unique
 PKG_LICENSE_FILES:=COPYING COPYING.LGPL COPYING.MIT
 PKG_MAINTAINER:=Lucian Cristian <lucian.cristian@gmail.com>