Make function const

src/base/search/searchpluginmanager.cpp

@@ -366,7 +366,7 @@ QString SearchPluginManager::categoryFullName(const QString &categoryName)
     return categoryTable.value(categoryName);
 }
 
-QString SearchPluginManager::pluginFullName(const QString &pluginName)
+QString SearchPluginManager::pluginFullName(const QString &pluginName) const
 {
     return pluginInfo(pluginName) ? pluginInfo(pluginName)->fullName : QString();
 }

src/base/search/searchpluginmanager.h

@@ -88,7 +88,7 @@ public:
 
     static PluginVersion getPluginVersion(const Path &filePath);
     static QString categoryFullName(const QString &categoryName);
-    QString pluginFullName(const QString &pluginName);
+    QString pluginFullName(const QString &pluginName) const;
     static Path pluginsLocation();
     static Path engineLocation();