Update Include/pythread.h

Co-authored-by: Bénédikt Tran <[email protected]>

Author: serhiy-storchaka

Include/pythread.h

@@ -42,8 +42,8 @@ PyAPI_FUNC(unsigned long) PyThread_get_thread_ident(void);
 #if (defined(__APPLE__) || defined(__linux__) || defined(_WIN32) \
      || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) \
      || defined(__OpenBSD__) || defined(__NetBSD__) \
-     || defined(__DragonFly__) || defined(_AIX)) \
-     || defined(__sun__) && SIZEOF_LONG >= 8
+     || defined(__DragonFly__) || defined(_AIX) \
+     || (defined(__sun__) && SIZEOF_LONG >= 8))
 #define PY_HAVE_THREAD_NATIVE_ID
 PyAPI_FUNC(unsigned long) PyThread_get_thread_native_id(void);
 #endif