Fix -Wstrict-prototypes warning in thread_pthread.h. (GH-21477)

(cherry picked from commit ea62a4bd54421693ed6b24a1bbd18ebed3bdb8f8)

Co-authored-by: Benjamin Peterson <benjamin@python.org>

diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h
index 5678b05ced3698e973c6ae01e3e6eafa295056e7..78b99a77206c9485a04fce70ec205df55a76e702 100644 (file)
--- a/Python/thread_pthread.h
+++ b/Python/thread_pthread.h
@@ -130,7 +130,7 @@ do { \
 static pthread_condattr_t *condattr_monotonic = NULL;
 
 static void
-init_condattr()
+init_condattr(void)
 {
 #ifdef CONDATTR_MONOTONIC
     static pthread_condattr_t ca;