#ifdef USE_THREADS
#ifdef WIN32
-# include "win32/win32thread.h"
-#endif
+# include <win32thread.h>
+#else
/* POSIXish threads */
typedef pthread_t perl_thread;
# define pthread_condattr_default NULL
# define pthread_attr_default NULL
#endif /* OLD_PTHREADS_API */
+#endif
#ifndef YIELD
# define YIELD sched_yield()