console-server: Clear poller timeout on init

Avoid spurious results in the poller calculations from uninitialized
values.

Reported-by: Alexander Hansen <alexander.hansen@9elements.com>
Co-developed-by: Alexander Hansen <alexander.hansen@9elements.com>
Change-Id: Ic84371d43ebb062a815b7dd0ebae518c374cde59
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
diff --git a/console-server.c b/console-server.c
index dde3ca2..ef52e57 100644
--- a/console-server.c
+++ b/console-server.c
@@ -633,6 +633,7 @@
 	poller->handler = handler;
 	poller->event_fn = poller_fn;
 	poller->timeout_fn = timeout_fn;
+	timerclear(&poller->timeout);
 	poller->data = data;
 
 	/* add one to our pollers array */