Network: Replace unsigned int by size_t for size

Former-commit-id: efa7e2f50ae370f96871726be7906332ca8969a4

src/Nazara/Network/UdpSocket.cpp

@@ -3,7 +3,6 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/Network/UdpSocket.hpp>
-#include <Nazara/Network/Debug.hpp>
 
 #if defined(NAZARA_PLATFORM_WINDOWS)
 #include <Nazara/Network/Win32/SocketImpl.hpp>
@@ -13,6 +12,8 @@
 #error Missing implementation: Socket
 #endif
 
+#include <Nazara/Network/Debug.hpp>
+
 namespace Nz
 {
 	SocketState UdpSocket::Bind(const IpAddress& address)
@@ -39,7 +40,7 @@ namespace Nz
 		}
 	}
 
-	unsigned int UdpSocket::QueryMaxDatagramSize()
+	std::size_t UdpSocket::QueryMaxDatagramSize()
 	{
 		NazaraAssert(m_handle != SocketImpl::InvalidHandle, "Socket hasn't been created");