net-im/qxmpp-qt5: update to 1.3.2

This release only contains some little bug-fixes. [1]

Fixes:

• TransferManager: Fix undefined behaviour when parsing features (#322, @lichtzeichner)
• OutgoingServer: Add missing 'to' and 'from' stream attributes (#324, @Kaffeine)

[1] https://github.com/qxmpp-project/qxmpp/releases/tag/v1.3.2