Fix 'tail eating' bug which was trying to start a new WaitCommEvent on a port.m_Comm handle before the previous WaitCommEvent had finished.
Fix 'tail eating' bug which was trying to start a new WaitCommEvent on a port.m_Comm handle before the previous WaitCommEvent had finished.

nyholku/purejavacomm,nyholku/purejavacomm,nyholku/purejavacomm,gchauvet/purejavacomm,gchauvet/purejavacomm