Fix a few warnings that only showed up with gcc 3.4.6 here (sadly, there is one on every file about anonymous variadic macros that I can't get rid of).

include/serialize.h

@@ -70,8 +70,9 @@ extern void RegisterTypes();
 class SerializableBase
 {
  public:
- 	typedef std::map<Anope::string, Serialize::stringstream> serialized_data;
+	typedef std::map<Anope::string, Serialize::stringstream> serialized_data;
 
+	virtual ~SerializableBase() { }
 	virtual Anope::string serialize_name() = 0;
 	virtual serialized_data serialize() = 0;
 	virtual void alloc(serialized_data &) = 0;

modules/extra/ldap.h

@@ -105,6 +105,7 @@ class LDAPInterface
 	Module *owner;
 
 	LDAPInterface(Module *m) : owner(m) { }
+	virtual ~LDAPInterface() { }
 
 	virtual void OnResult(const LDAPResult &r) { }