XEP-0260 <candidate port="" /> is optional

XEP-0065 specifies that the defalt is 1080.

Previously, sending Gajim a <candidate/> with no port would result in a
backtrace, since int() does not accept NoneType.  Now it will correctly fall
back to the default port.
5 jobs for s5b-transport-port-is-optional in 0 seconds (queued for 72 minutes and 40 seconds)
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Status Job ID Name Coverage
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failed #17300
run-appdata

failed #17301
run-tests

failed #17298
run-appdata

failed #17297
run-tests

 
  Build
skipped #17299
run-build
 
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