alsaseq: Fix type check in set_time()

alsa-project/alsa-python pull request #17 was opened from ernestask:

SeqEvent_set_time() has fallen victim to the inverted get_long1() return value here, erroring out when called with actual integers.

Request URL : https://github.com/alsa-project/alsa-python/pull/17 Patch URL : https://github.com/alsa-project/alsa-python/pull/17.patch Repository URL: https://github.com/alsa-project/alsa-python