small fixes for export, and a cleanup for the tmp string

src/core/notification/icon.h

@@ -50,7 +50,7 @@ private:
     static QString computeHash(const QByteArray &data);
 
 
-    class SnoreIconData : public QSharedData
+    class SNORE_EXPORT SnoreIconData : public QSharedData
     {
     public:
         SnoreIconData(const QImage &img);

src/core/notification/notification.h

@@ -89,7 +89,7 @@ private:
     static uint m_idCount;
 
 
-    class NotificationData : public QSharedData
+    class SNORE_EXPORT NotificationData : public QSharedData
     {
 
     public:

src/core/snore.cpp

@@ -60,7 +60,7 @@ QString const SnoreCore::version(){
 }
 
 QString const SnoreCore::snoreTMP(){
-    static const QString tmp = QDir::temp().path() +"/SnoreNotify/";
+    static const QString tmp = QString("%1/SnoreNotify/").arg(QDir::temp().path());
     return tmp;
 }