Solaris: Check for strndup availability (issue #253)
Solaris: Check for strndup availability (issue #253)

orthrus/librdkafka,orthrus/librdkafka,senior7515/librdkafka,janmejay/librdkafka,orthrus/librdkafka,janmejay/librdkafka,senior7515/librdkafka,janmejay/librdkafka,orthrus/librdkafka,senior7515/librdkafka,klonikar/librdkafka,senior7515/librdkafka,janmejay/librdkafka,klonikar/librdkafka,klonikar/librdkafka,klonikar/librdkafka