Get things building on Windows ARM.

Add simple emulation of Tls* API on Windows Phone.

UWP/StorageFileLoader.cpp

@@ -10,7 +10,10 @@ using namespace Concurrency;
 using namespace Windows::Storage;
 using namespace Windows::Storage::Streams;
 
+std::mutex initMutex;
+
 StorageFileLoader::StorageFileLoader(Windows::Storage::StorageFile ^file) {
+	initMutex.lock();
 	file_ = file;
 	path_ = FromPlatformString(file_->Path);
 	thread_.reset(new std::thread([this]() { this->threadfunc(); }));
@@ -42,6 +45,9 @@ void StorageFileLoader::threadfunc() {
 		const char *what = e.what();
 		ILOG("%s", what);
 	}
+	catch (Platform::COMException ^e) {
+
+	}
 
 	auto sizetask = create_task(file_->GetBasicPropertiesAsync()).then([this](Windows::Storage::FileProperties::BasicProperties ^props) {
 		size_ = props->Size;
@@ -53,6 +59,12 @@ void StorageFileLoader::threadfunc() {
 		const char *what = e.what();
 		ILOG("%s", what);
 	}
+	catch (Platform::COMException ^e) {
+		std::string what = FromPlatformString(e->ToString());
+		ILOG("%s", what);
+	}
+
+	initMutex.unlock();
 
 	initMutex.unlock();