Remove a cast warning in buffer writer

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/scalfmm/scalfmm/trunk@420 2616d619-271b-44dc-8df4-d4a8f33a7222

Src/Containers/FBufferWriter.hpp

@@ -63,7 +63,7 @@ public:
     /** Write an array */
     template <class ClassType>
     void write(const ClassType* const objects, const int inSize){
-        buffer.memocopy(reinterpret_cast<const char*>(objects), sizeof(ClassType) * inSize);
+        buffer.memocopy(reinterpret_cast<const char*>(objects), int(sizeof(ClassType)) * inSize);
     }
 
     /** Equivalent to write */