gnu: dovecot: Update to 2.3.0.1 [fixes CVE-2017-14461].

* gnu/packages/mail.scm (dovecot): Update to 2.3.0.1.
[source]: Remove upstreamed patch.
* gnu/packages/patches/dovecot-CVE-2017-15132.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

gnu/local.mk

@@ -618,7 +618,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/docbook-xsl-nonrecursive-string-subst.patch	\
   %D%/packages/patches/doc++-include-directives.patch		\
   %D%/packages/patches/doc++-segfault-fix.patch			\
-  %D%/packages/patches/dovecot-CVE-2017-15132.patch		\
   %D%/packages/patches/doxygen-test.patch			\
   %D%/packages/patches/dvd+rw-tools-add-include.patch 		\
   %D%/packages/patches/eigen-arm-neon-fixes.patch		\

gnu/packages/mail.scm

@@ -1180,16 +1180,15 @@ facilities for checking incoming mail.")
 (define-public dovecot
   (package
     (name "dovecot")
-    (version "2.3.0")
+    (version "2.3.0.1")
     (source
      (origin
        (method url-fetch)
        (uri (string-append "https://www.dovecot.org/releases/"
                            (version-major+minor version) "/"
                            name "-" version ".tar.gz"))
-       (patches (search-patches "dovecot-CVE-2017-15132.patch"))
        (sha256 (base32
-                "10c5myzgys866c3x6jdr1s9x9pqnjd5vpyz8z384sph21m3wnq6y"))))
+                "0lzisrdgrj5qqwjb7bv99mf2aljm568r6g108yisp0s644z2nxxb"))))
     (build-system gnu-build-system)
     (native-inputs
      `(("pkg-config" ,pkg-config)))

gnu/packages/patches/dovecot-CVE-2017-15132.patch

@@ -1,36 +0,0 @@
-Fix CVE-2017-15132:
-
-https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15132
-
-Patch copied from upstream source repository:
-
-https://github.com/dovecot/core/commit/1a29ed2f96da1be22fa5a4d96c7583aa81b8b060
-
-From 1a29ed2f96da1be22fa5a4d96c7583aa81b8b060 Mon Sep 17 00:00:00 2001
-From: Timo Sirainen <timo.sirainen@dovecot.fi>
-Date: Mon, 18 Dec 2017 16:50:51 +0200
-Subject: [PATCH] lib-auth: Fix memory leak in auth_client_request_abort()
-
-This caused memory leaks when authentication was aborted. For example
-with IMAP:
-
-a AUTHENTICATE PLAIN
-*
-
-Broken by 9137c55411aa39d41c1e705ddc34d5bd26c65021
----
- src/lib-auth/auth-client-request.c | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/src/lib-auth/auth-client-request.c b/src/lib-auth/auth-client-request.c
-index 480fb42b30..046f7c307d 100644
---- a/src/lib-auth/auth-client-request.c
-+++ b/src/lib-auth/auth-client-request.c
-@@ -186,6 +186,7 @@ void auth_client_request_abort(struct auth_client_request **_request)
- 
- 	auth_client_send_cancel(request->conn->client, request->id);
- 	call_callback(request, AUTH_REQUEST_STATUS_ABORT, NULL, NULL);
-+	pool_unref(&request->pool);
- }
- 
- unsigned int auth_client_request_get_id(struct auth_client_request *request)