missing_threads.h: threads.h exists since glibc-2.28

src/basic/log.c

@@ -11,6 +11,7 @@
 #include <sys/time.h>
 #include <sys/uio.h>
 #include <sys/un.h>
+#include <threads.h>
 #include <unistd.h>
 
 #include "sd-messages.h"
@@ -26,7 +27,6 @@
 #include "log.h"
 #include "macro.h"
 #include "missing_syscall.h"
-#include "missing_threads.h"
 #include "parse-util.h"
 #include "proc-cmdline.h"
 #include "process-util.h"