Fix mem leak

plugins/messageviewerheaderplugins/allheaderstyleplugin/allheaderstyleplugin.cpp

@@ -35,7 +35,8 @@ AllHeaderStylePlugin::AllHeaderStylePlugin(QObject *parent, const QList<QVariant
 
 AllHeaderStylePlugin::~AllHeaderStylePlugin()
 {
-
+    delete mHeaderStyle;
+    delete mHeaderStrategy;
 }
 
 HeaderStyle *AllHeaderStylePlugin::headerStyle() const

plugins/messageviewerheaderplugins/briefheaderstyleplugin/briefheaderstyleplugin.cpp

@@ -35,7 +35,8 @@ BriefHeaderStylePlugin::BriefHeaderStylePlugin(QObject *parent, const QList<QVar
 
 BriefHeaderStylePlugin::~BriefHeaderStylePlugin()
 {
-
+    delete mHeaderStyle;
+    delete mHeaderStrategy;
 }
 
 HeaderStyle *BriefHeaderStylePlugin::headerStyle() const

plugins/messageviewerheaderplugins/enterpriseheaderstyleplugin/enterpriseheaderstyleplugin.cpp

@@ -36,7 +36,8 @@ EnterpriseHeaderStylePlugin::EnterpriseHeaderStylePlugin(QObject *parent, const
 
 EnterpriseHeaderStylePlugin::~EnterpriseHeaderStylePlugin()
 {
-
+    delete mHeaderStyle;
+    delete mHeaderStrategy;
 }
 
 HeaderStyle *EnterpriseHeaderStylePlugin::headerStyle() const

plugins/messageviewerheaderplugins/fancyheaderstyleplugin/fancyheaderstyleplugin.cpp

@@ -35,7 +35,8 @@ FancyHeaderStylePlugin::FancyHeaderStylePlugin(QObject *parent, const QList<QVar
 
 FancyHeaderStylePlugin::~FancyHeaderStylePlugin()
 {
-
+    delete mHeaderStyle;
+    delete mHeaderStrategy;
 }
 
 HeaderStyle *FancyHeaderStylePlugin::headerStyle() const

plugins/messageviewerheaderplugins/longheaderstyleplugin/longheaderstyleplugin.cpp

@@ -36,7 +36,8 @@ LongHeaderStylePlugin::LongHeaderStylePlugin(QObject *parent, const QList<QVaria
 
 LongHeaderStylePlugin::~LongHeaderStylePlugin()
 {
-
+    delete mHeaderStyle;
+    delete mHeaderStrategy;
 }
 
 HeaderStyle *LongHeaderStylePlugin::headerStyle() const