make things compile under windows again, there's still some ugly ifdefs

I'd like to get rid of

Utilities/BEType.h

@@ -50,7 +50,10 @@ class be_t
 
 public:
 	typedef T type;
-	be_t() noexcept = default;
+#ifdef __GNUG__
+	be_t()	noexcept = default
+#endif
+	be_t(){}
 
 	be_t(const T& value)
 	{

Utilities/IdManager.h

@@ -96,7 +96,11 @@ public:
 		m_cur_id = s_first_id;
 	}
 	
-	template<typename T = char>
+	template<typename T 
+#ifdef __GNUG__ 
+		= char
+#endif
+	>
 	ID_TYPE GetNewID(const std::string& name = "", T* data = nullptr, const u32 attr = 0)
 	{
 		std::lock_guard<std::mutex> lock(m_mtx_main);

Utilities/Thread.cpp

@@ -1,7 +1,12 @@
 #include "stdafx.h"
 #include "Thread.h"
 
-/*__declspec(thread)*/ thread_local NamedThreadBase* g_tls_this_thread = nullptr;
+#ifdef _WIN32
+__declspec(thread)
+#else
+thread_local
+#endif
+NamedThreadBase* g_tls_this_thread = nullptr;
 
 NamedThreadBase* GetCurrentNamedThread()
 {