server: set connection::input_pending type to bool

Change-Id: Ifae8ac2761a7a8fa12732b71c2de456e7558bd2b
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: http://openocd.zylin.com/5565
Tested-by: jenkins
Reviewed-by: Marc Schink <dev@zapb.de>

src/server/server.h

@@ -49,7 +49,7 @@ struct connection {
 	struct sockaddr_in sin;
 	struct command_context *cmd_ctx;
 	struct service *service;
-	int input_pending;
+	bool input_pending;
 	void *priv;
 	struct connection *next;
 };