main/dovecot: upgrade to 1.2.13

main/dovecot/APKBUILD

 # Contributor: Michael Mason <ms13sp@gmail.com>
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=dovecot
-pkgver=1.2.12
-pkgrel=3
+pkgver=1.2.13
+pkgrel=0
 pkgdesc="IMAP and POP3 server"
 url="http://www.dovecot.org/"
 license="LGPL-2.1"
@@ -90,6 +90,6 @@ sqlite() {
 	_mv $(cd "$pkgdir" && find usr -name '*sqlite.so')
 }
 
-md5sums="cc8e5c53cd0943ce0b5e1087356ad4ea  dovecot-1.2.12.tar.gz
+md5sums="aaee3b5fd59e01780305553248f686bc  dovecot-1.2.13.tar.gz
 aec5cc797ab2acf72ce3b6bb1030345f  dovecot.logrotate
 c58b474dca20e6e60fa4f1f5b9c726e1  dovecot.initd"