Include ctype.h for isdigit.

diff --git a/sysdeps/unix/sysv/linux/alpha/ioperm.c b/sysdeps/unix/sysv/linux/alpha/ioperm.c
index b39f39a..63bf175 100644 (file)
--- a/sysdeps/unix/sysv/linux/alpha/ioperm.c
+++ b/sysdeps/unix/sysv/linux/alpha/ioperm.c
@@ -35,6 +35,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <ctype.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>