paho-mqtt-c: upgrade 1.3.13 -> 1.3.14
Changelog:
===========
- Update CMake toolchain link in README file
- CMake cleanup, bump to v3.5, and submodule improvements
- Fix usage of memset
- Assigned Client Identifier constant misspelled
- Exporting the -static CMake targets when both shared and static libraries built.
- Some minor hardening of MQTTProperties functions
- Zero out MQTTProperty before reading
- Fix doc comment for MQTTAsync_disconnected
- Small cleanup of OpenSSL/LibreSSL CMake
- Fix usage of realloc
- Fix compiler warnings
- Small cleanup of OpenSSL/LibreSSL CMake (2nd try)
- Fix IpV6 link local address connections
- Added support for UNIX-domain sockets for v1.3.x
- Build all the sample applications for the static library
- Fix possible memory leak
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>