package/collectd: add comment about ssl support in rabbitmq-c

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/collectd/Config.in

@@ -582,7 +582,7 @@ comment "Select at least one for collectd to be useful"
 
 config BR2_PACKAGE_COLLECTD_AMQP
 	bool "amqp"
-	select BR2_PACKAGE_OPENSSL
+	select BR2_PACKAGE_OPENSSL # needs rabbitmq-c with ssl support
 	select BR2_PACKAGE_RABBITMQ_C
 	help
 	  Send/receive values via the Advanced Message Queuing Protocol