--- Libc/Libc-1725.40.4/stdio/FreeBSD/wsetup.c
+++ Libc/Libc-825.26/stdio/FreeBSD/wsetup.c
@@ -47,10 +47,12 @@
  * _wsetup returns 0 if OK to write; otherwise, it returns EOF and sets errno.
  */
 int
-__swsetup(FILE *fp)
+__swsetup(fp)
+	FILE *fp;
 {
 	/* make sure stdio is set up */
-	pthread_once(&__sdidinit, __sinit);
+	if (!__sdidinit)
+		__sinit();
 
 	/*
 	 * If we are not writing, we had better be reading and writing.