[BL] Change cast type in writeValueBinary.

The reinterpret cast seems to more appropriate in context
of writing of binary values to a stream.

BaseLib/FileTools.h

@@ -38,7 +38,7 @@ bool IsFileExisting(const std::string &strFilename);
  */
 template <typename T> void writeValueBinary(std::ostream &out, T const& val)
 {
-    out.write(static_cast<const char*>(&val), sizeof(T));
+    out.write(reinterpret_cast<const char*>(&val), sizeof(T));
 }
 
 template <typename T>