Windows needs 'uint64_t' instead of 'u_int64_t'

Signed-off-by: David Laseca Perez <davidlaseca@eprosima.com>

Author: David-LP99

ddspipe_yaml/src/cpp/YamlValidator.cpp

@@ -203,7 +203,7 @@ bool YamlValidator::validate_YAML(
                     }
                     try
                     {
-                        return yml.as<u_int64_t>();
+                        return yml.as<uint64_t>();
                     } catch (...)
                     {
                     }