fetchmail: Update to 6.4.15

upstream changes:
-----------------
fetchmail-6.4.15 (released 2021-01-03, 27614 LoC):
# BUG FIXES
* Fix a typo in the manual page reported by David McKelvie.
* Fix cross-compilation with openssl, by Fabrice Fontaine. Merge request !23.
* Fix truncation of SMTP PLAIN AUTH with ^ in credentials, by Earl Chew.   Gitlab issue #23, merge request !25.

fetchmail-6.4.14 (released 2020-11-26, 27608 LoC):
# TRANSLATION UPDATES were made by these fine people:
* sr:    Мирослав Николић (Miroslav Nikolić) [Serbian]

mail/fetchmail/Makefile

@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.195 2020/10/02 08:20:27 triaxx Exp $
+# $NetBSD: Makefile,v 1.196 2021/01/27 14:13:20 triaxx Exp $
 
 # Note to updaters: mail/fetchmailconf reaches over here, make sure it builds.
-DISTNAME=	fetchmail-6.4.12
+DISTNAME=	fetchmail-6.4.15
 CATEGORIES=	mail
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=fetchmail/}
 EXTRACT_SUFX=	.tar.xz

mail/fetchmail/distinfo

@@ -1,9 +1,9 @@
-$NetBSD: distinfo,v 1.56 2020/12/14 00:41:03 dbj Exp $
+$NetBSD: distinfo,v 1.57 2021/01/27 14:13:20 triaxx Exp $
 
-SHA1 (fetchmail-6.4.12.tar.xz) = e8705405ae944ac976f3972722158a7cf11735ad
-RMD160 (fetchmail-6.4.12.tar.xz) = 343bc036a10b0a4bdb0fe090c9cac0db387d029d
-SHA512 (fetchmail-6.4.12.tar.xz) = 277c324bab528a036f2896909b63baaa68d986b79baa24e2ee5cd8ca1d86082d4cd41ca371114fc8ae150eb0f97af50fd5238e88485ad5c701699b69964fe256
-Size (fetchmail-6.4.12.tar.xz) = 1303532 bytes
+SHA1 (fetchmail-6.4.15.tar.xz) = 6491de7e4d2ef1aef6808127e8ca9d803bbdc220
+RMD160 (fetchmail-6.4.15.tar.xz) = 89efe0c09194132e4cb0fa9e86f8023d1fb5cab4
+SHA512 (fetchmail-6.4.15.tar.xz) = 9b87aab65c3f102df07df52508bd18ae97ec51e106e238675e3f58c9460050c54fea72550fe33c727aeae723494370f6ea6438a96231ae0eacdbe437552d76e2
+Size (fetchmail-6.4.15.tar.xz) = 1309584 bytes
 SHA1 (patch-Makefile.in) = 9cd2053a7c8bbbf6f71fcee03e33c0d29d235c4e
 SHA1 (patch-configure) = f5db59db380755d8b9fc8f75e723fd729ca06c30
 SHA1 (patch-configure.ac) = 9ff885f7d40a749f628d35a8408b1860f8017362

mail/fetchmailconf/Makefile

@@ -1,6 +1,6 @@
-# $NetBSD: Makefile,v 1.108 2020/12/04 20:45:27 nia Exp $
+# $NetBSD: Makefile,v 1.109 2021/01/27 14:13:20 triaxx Exp $
 
-DISTNAME=	fetchmail-6.4.12
+DISTNAME=	fetchmail-6.4.15
 PKGNAME=	${DISTNAME:S/fetchmail/fetchmailconf/}
 PKGREVISION=	1
 CATEGORIES=	mail