ensure we have an observer hash
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@ -526,7 +526,7 @@ function delete_thing_photo($url,$ob_hash) {
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// hashes should be 32 bytes.
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if(strlen($hash) < 16)
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if((! $ob_hash) || (strlen($hash) < 16))
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return;
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$r = q("delete from photo where xchan = '%s' and photo_usage = %d and resource_id = '%s'",
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