Log Message:
mail/gmime3: Update to 3.2.15

Changelog:
### GMime 3.2.15

* Fixed the g_mime_object_get_header API definition to note that it can return null
* Fixed a memory leak in address_parse() (issue #159)
* Added custom header folding logic for the Newsgroups: header (issue #162)
* Fixed a configure issue regarding ac_cv_sys_file_offset_bits (issue #158)
* Fixed an infinite loop in the Content-Type and Content-Disposition parameter
  serialization logic (issue #165)

### GMime 3.2.14

* Avoid clearing the header list of a GMimeMessage when adding addresses to an \ 
address header. (issue #129)
* Added the internet_address_list_append_parse() prototype definition to \ 
internet-address.h. (issue #128)
* Use gtk-doc ulink syntax in doc comments instead of `<a href=...>`. \ 
(issue #131)
* Fixed rfc2047 token decoding logic for base64 encodings. (issue #133)
* Properly handle GDateTime UTC offsets with non-zero seconds. (issue #134)
* Improved introspection data for bindings such as Vala.
* Improved address name quoting.
* Added a GNotifyDestroy to the GMimeParserOptions callback.
* Fixed the URL linkifier logic to properly handle links without a '/' before \ 
the query string.
* Fixed the URL linkifier logic to handle domains that start with numbers. \ 
(issue #152)
* Reverted base64 decoder optimizations from 3.2.10 and 3.2.11 to support \ 
chunked base64. (issue #150)

### GMime 3.2.13

* Optimized parsing of messages with lots of address headers. (issue #126)

### GMime 3.2.12

* Fixed a memory leak in g_mime_gpgme_get_decrypt_result().

* Updated vapigen.m4, introspection.m4, and gpgme.m4 to improve cross-platform \ 
builds.

* Add and use ax_lib_socket_nsl.m4 so that systems that do not require linkage \ 
with libnsl
  are not forced to link with it unnecessesarily.

* Changed the build system to no longer use dolt (which is obsolete).

### GMime 3.2.11

* Fixed a bug in the base64 decoder. D'oh!

### GMime 3.2.10

* Improved performance of base64 encoder by ~5%.

* Improved performance of base64 decoder by ~25%.

* Unref the autocrypt header after adding it to the list. (issue #118)

* Work around a bug in g_time_zone_new_offset() by using identifiers instead. \ 
(issue #120)

### GMime 3.2.9

* g_mime_multipart_signed_verify() now allows type/subtype and type/x-subtype \ 
signature parts. (issue #115)

* Fixed header folding logic to avoid folding the first line of a header value. \ 
(issue #112 and issue #113)

* Fixed bugs discovered by static analysis. (issue #110)

* Fixed GMimeStreamPipe to set errno to ESPIPE for seek/tell/length methods.

* Fixed GMimeCertificates to prefer gpgme_user_id_t's address field over the \ 
email field. (issue #102)

### GMime 3.2.8

* Various fixes to Vala (and other?) language bindings. (issue #96 and issue #101)

* Enabled build for PPC64LE architecture (issue #100)

* Added g_mime_object_write_content_to_stream() (issue #97)

* Fixed parameter list parsing logic to not report a warning when everything is \ 
valid.

* Fixed the parser to handle MIME parts without headers -or- content of any kind.