Try to fix broken compile on openbsd.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 8f730c7..abf69a9 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -2001,13 +2001,13 @@
}
-#ifdef HAVE_NICE
-#if defined(HAVE_BROKEN_NICE) && defined(HAVE_SYS_RESOURCE_H)
-#if defined(HAVE_GETPRIORITY) && !defined(PRIO_PROCESS)
+/* sys/resource.h is needed for at least: wait3(), wait4(), broken nice. */
+#if defined(HAVE_SYS_RESOURCE_H)
#include <sys/resource.h>
#endif
-#endif
+
+#ifdef HAVE_NICE
PyDoc_STRVAR(posix_nice__doc__,
"nice(inc) -> new_priority\n\n\
Decrease the priority of process by inc and return the new priority.");