Small issues to make compilable the policy-refactor branch under Windows

[megabyte1024]

diff --git a/src/rng/boost_rng.cpp b/src/rng/boost_rng.cpp

• boost::random::uniform_int_distribution<>(INT32_MIN,INT32_MAX)); {}
• boost::random::uniform_int_distribution<>(INT32_MIN,INT32_MAX)) {}

diff --git a/src/processors/hybi_header.cpp b/src/processors/hybi_header.cpp

-void hybi_header::set_opcode(frame::opcode::value op) {
+void hybi_header::set_opcode(websocketpp::frame::opcode::value op) {

diff --git a/src/processors/hybi_header.hpp b/src/processors/hybi_header.hpp

• void set_opcode(frame::opcode::value op);
• void set_opcode(websocketpp::frame::opcode::value op);

diff --git a/src/messages/data.cpp b/src/messages/data.cpp

•    m_payload.reserve(std::max(new_size,static_cast<uint64_t>(2*m_payload.capacity())));
  

•    m_payload.reserve(std::max<uint64_t>(new_size, static_cast<uint64_t>(2*m_payload.capacity())));
  

-void data::reset(frame::opcode::value opcode) {
+void data::reset(websocketpp::frame::opcode::value opcode) {

diff --git a/src/messages/data.hpp b/src/messages/data.hpp

• void reset(frame::opcode::value opcode);
• void reset(websocketpp::frame::opcode::value opcode);