Add dll to ReturnCode

Signed-off-by: jparisu <javierparis@eprosima.com>

Author: jparisu

cpp_utils/include/cpp_utils/ReturnCode.hpp

@@ -37,7 +37,7 @@ class ReturnCode : public eprosima::fastrtps::types::ReturnCode_t
     //! Inherit Parent class constructors
     using eprosima::fastrtps::types::ReturnCode_t::ReturnCode_t;
 
-    ReturnCode(
+    CPP_UTILS_DllAPI ReturnCode(
             const eprosima::fastrtps::types::ReturnCode_t& other);
 
     //! Specify the operator so OK code could be translated to True.