Add optional wait for debugger at wrapper launch.

It's a pain to attach after JIT with 2 screens in 3D, so this adds an optional wait loop at initialization until debugger is present.

It's triggered by a d3dx.ini setting that will not be in the default file of "waitfordebugger=1".  It will be a hidden feature for debugging.

DirectX11/d3d11Wrapper.cpp

@@ -280,6 +280,14 @@ void InitializeDLL()
 		wcsrchr(dir, L'\\')[1] = 0;
 		wcscat(dir, L"d3dx.ini");
 
+		// If specified in Logging section, wait for Attach to Debugger.
+		if (GetPrivateProfileInt(L"Logging", L"waitfordebugger", 0, dir))
+			do
+			{
+				Sleep(250);
+			} while (!IsDebuggerPresent());
+
+
 		// Unbuffered logging to remove need for fflush calls, and r/w access to make it easy
 		// to open active files.
 		if (GetPrivateProfileInt(L"Logging", L"calls", 1, dir))