need unistd.h for brk prototype

diff --git a/libc/sysdeps/linux/hppa/brk.c b/libc/sysdeps/linux/hppa/brk.c
index a5a3505..b57c332 100644 (file)
--- a/libc/sysdeps/linux/hppa/brk.c
+++ b/libc/sysdeps/linux/hppa/brk.c
@@ -19,6 +19,7 @@
 
 #include <errno.h>
 #include <sys/syscall.h>
+#include <unistd.h>
 
 libc_hidden_proto(brk)