Added a few missed consts

Author: Ri0n

src/irisnet/corelib/netnames.cpp

@@ -75,7 +75,7 @@ NameRecord &NameRecord::operator=(const NameRecord &from)
     return *this;
 }
 
-bool NameRecord::operator==(const NameRecord &o)
+bool NameRecord::operator==(const NameRecord &o) const
 {
     if (isNull() != o.isNull() || owner() != o.owner() || ttl() != o.ttl() || type() != o.type()) {
         return false;

src/irisnet/corelib/netnames.h

@@ -148,7 +148,7 @@ class IRISNET_EXPORT NameRecord {
     /**
        \brief Compares \a other with this object
     */
-    bool operator==(const NameRecord &other);
+    bool operator==(const NameRecord &other) const;
 
     /**
        \brief Returns true if this record object is null, otherwise returns false

src/xmpp/xmpp-im/types.cpp

@@ -448,7 +448,7 @@ QDomElement MUCItem::toXml(QDomDocument &d)
     return e;
 }
 
-bool MUCItem::operator==(const MUCItem &o)
+bool MUCItem::operator==(const MUCItem &o) const
 {
     return !nick_.compare(o.nick_) && ((!jid_.isValid() && !o.jid_.isValid()) || jid_.compare(o.jid_, true))
         && ((!actor_.isValid() && !o.actor_.isValid()) || actor_.compare(o.actor_, true))

src/xmpp/xmpp-im/xmpp_features.h

@@ -104,7 +104,7 @@ class Features {
     static QString feature(long id);
 
     Features   &operator<<(const QString &feature);
-    inline bool operator==(const Features &other) { return _list == other._list; }
+    inline bool operator==(const Features &other) const { return _list == other._list; }
     Features   &operator+=(const Features &other)
     {
         _list += other._list;

src/xmpp/xmpp-im/xmpp_muc.h

@@ -51,7 +51,7 @@ class MUCItem {
     void        fromXml(const QDomElement &);
     QDomElement toXml(QDomDocument &);
 
-    bool operator==(const MUCItem &o);
+    bool operator==(const MUCItem &o) const;
 
 private:
     QString     nick_;