Audaspace: add support for WASAPI on Windows

This adds WASAPI as audio backend on Windows.
WASAPI is the modern standard audio API on
Windows introduced with Windows Vista.

Ref T86590

source/blender/python/intern/bpy_app_build_options.c

@@ -51,6 +51,7 @@ static PyStructSequence_Field app_builtopts_info_fields[] = {
     {"sdl_dynload", NULL},
     {"jack", NULL},
     {"pulseaudio", NULL},
+    {"wasapi", NULL},
     {"libmv", NULL},
     {"mod_oceansim", NULL},
     {"mod_remesh", NULL},
@@ -224,6 +225,12 @@ static PyObject *make_builtopts_info(void)
   SetObjIncref(Py_False);
 #endif
 
+#ifdef WITH_WASAPI
+  SetObjIncref(Py_True);
+#else
+  SetObjIncref(Py_False);
+#endif
+
 #ifdef WITH_LIBMV
   SetObjIncref(Py_True);
 #else