Don't use const'ref here

messagelist/src/core/filter.cpp

@@ -34,7 +34,7 @@ bool Filter::containString(const QString &searchInString) const
     return found;
 }
 
-void Filter::setOptions(const QuickSearchLine::SearchOptions &newOptions)
+void Filter::setOptions(QuickSearchLine::SearchOptions newOptions)
 {
     mOptions = newOptions;
 }

messagelist/src/core/filter.h

@@ -98,7 +98,7 @@ public:
     Q_REQUIRED_RESULT const QString &filterName() const;
     void setFilterName(const QString &newFilterName);
 
-    void setOptions(const QuickSearchLine::SearchOptions &newOptions);
+    void setOptions(QuickSearchLine::SearchOptions newOptions);
 
     static Q_REQUIRED_RESULT Filter *loadFromConfigGroup(const KConfigGroup &newGroup);
 Q_SIGNALS: