In rssdownloadrule.{cpp,h} 'RssDownloadRule::operator==' made const.

src/rss/rssdownloadrule.cpp

@@ -106,7 +106,7 @@ QVariantHash RssDownloadRule::toVariantHash() const
   return hash;
 }
 
-bool RssDownloadRule::operator==(const RssDownloadRule &other) {
+bool RssDownloadRule::operator==(const RssDownloadRule &other) const {
   return m_name == other.name();
 }
 

src/rss/rssdownloadrule.h

@@ -67,7 +67,7 @@ public:
   inline void setUseRegex(bool enabled) { m_useRegex = enabled; }
   QStringList findMatchingArticles(const RssFeedPtr& feed) const;
   // Operators
-  bool operator==(const RssDownloadRule &other);
+  bool operator==(const RssDownloadRule &other) const;
 
 private:
   QString m_name;