--- Libc/Libc-1725.40.4/stdio/FreeBSD/perror.c
+++ Libc/Libc-825.26/stdio/FreeBSD/perror.c
@@ -46,7 +46,8 @@
 #include "local.h"
 
 void
-perror(const char *s)
+perror(s)
+	const char *s;
 {
 	char msgbuf[NL_TEXTMAX];
 	struct iovec *v;