tweeper.php: check curl_exec() return value
authorAntonio Ospite <ao2@ao2.it>
Sun, 30 Oct 2016 09:04:51 +0000 (10:04 +0100)
committerAntonio Ospite <ao2@ao2.it>
Sun, 30 Oct 2016 09:04:51 +0000 (10:04 +0100)
Also show the message of curl_error() when curl_exec() fails, this way
it's easier to diagnose problems.


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