Contexts' getRuntime method uses static_cast instead of reinterpret_cast.

This required a few changes in include order and forward declarations to fix the real reason why reinterpret_cast was mistakenly used.

refs #81

src/blackcore/context_voice.h

@@ -13,6 +13,7 @@
 #include "blackmisc/statusmessage.h"
 #include "blackmisc/statusmessagelist.h"
 #include "blackmisc/nwuserlist.h"
+#include "blackcore/coreruntime.h"
 #include <QObject>
 #include <QNetworkAccessManager>
 #include <QNetworkRequest>
@@ -25,8 +26,6 @@
 
 namespace BlackCore
 {
-    class CCoreRuntime;
-
     /*!
      * \brief Network context
      */
@@ -65,7 +64,7 @@ namespace BlackCore
          */
         const CCoreRuntime *getRuntime() const
         {
-            return reinterpret_cast<CCoreRuntime *>(this->parent());
+            return static_cast<CCoreRuntime *>(this->parent());
         }
 
         /*!