enable client only after pool_msg

Signed-off-by: xiehuc <xiehuc@gmail.com>

Signed-off-by: xiehuc <xiehuc@gmail.com>
fix send_receipt ev is NULL

Signed-off-by: xiehuc <xiehuc@gmail.com>

Signed-off-by: xiehuc <xiehuc@gmail.com>
print error message when unable send message

Signed-off-by: xiehuc <xiehuc@gmail.com>

Signed-off-by: xiehuc <xiehuc@gmail.com>
Merge branch 'master' of github.com:xiehuc/pidgin-lwqq