Fix GH-12190: stream_context_create with address and port at 0.

Prior to the 8.1 rewrite, inet_aton was used for ipv4 addresses
therefore addresses like `0` passed.
For the bindto's

Fix GH-12190: stream_context_create with address and port at 0.

Prior to the 8.1 rewrite, inet_aton was used for ipv4 addresses
therefore addresses like `0` passed.
For the bindto's case where both ip and port are set as such, we discard
the address binding.

Close GH-12195

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