use errno.h

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/libc/gen/nice.c b/lib/libc/gen/nice.c
index 8d00c32d2b4..b6a95079fa6 100644
--- a/lib/libc/gen/nice.c
+++ b/lib/libc/gen/nice.c
@@ -32,12 +32,13 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: nice.c,v 1.2 1996/08/19 08:25:05 tholo Exp $";
+static char rcsid[] = "$OpenBSD: nice.c,v 1.3 1998/05/06 23:11:43 deraadt Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/resource.h>
+#include <errno.h>
 #include <unistd.h>
 
 /*
@@ -48,7 +49,6 @@ nice(incr)
 	int incr;
 {
 	int prio;
-	extern int errno;
 
 	errno = 0;
 	prio = getpriority(PRIO_PROCESS, 0);