FIX: missing va_end in amqp_login* functions
FIX: missing va_end in amqp_login* functions

Be sure to va_end any va_start'ed va_lists in amqp_login and
amqp_login_with_properties

soindy/rabbitmq-c,jasonmsoft/rabbitmq-c,hjzljp/rabbitmq-c,jqk6/rabbitmq-c,hjzljp/rabbitmq-c,jqk6/rabbitmq-c,sakishum/rabbitmq-c,sakishum/rabbitmq-c,alanxz/rabbitmq-c,tempbottle/rabbitmq-c,kilinrax/rabbitmq-c,jasonmsoft/rabbitmq-c,hjzljp/rabbitmq-c,Haster2004/rabbitmq-c,Haster2004/rabbitmq-c,alanxz/rabbitmq-c,kilinrax/rabbitmq-c,hjzljp/rabbitmq-c,jasonmsoft/rabbitmq-c,chenwenbin928/rabbitmq-c,jqk6/rabbitmq-c,tempbottle/rabbitmq-c,kilinrax/rabbitmq-c,alanxz/rabbitmq-c,jqk6/rabbitmq-c,sakishum/rabbitmq-c,tempbottle/rabbitmq-c,chenwenbin928/rabbitmq-c,chenwenbin928/rabbitmq-c,soindy/rabbitmq-c,tempbottle/rabbitmq-c,jasonmsoft/rabbitmq-c,soindy/rabbitmq-c,Haster2004/rabbitmq-c