fix building on alpha

libc/sysdeps/linux/common/getppid.c

@@ -2,18 +2,19 @@
 /*
  * getppid() for uClibc
  *
- * Copyright (C) 2000-2004 by Erik Andersen <andersen@codepoet.org>
+ * Copyright (C) 2000-2006 by Erik Andersen <andersen@codepoet.org>
  *
  * GNU Library General Public License (LGPL) version 2 or later.
  */
 
 #include "syscalls.h"
-#	include <unistd.h>
+#include <unistd.h>
-#	ifdef	__NR_getppid
+#ifdef	__NR_getppid
 _syscall0(pid_t, getppid);
-#	else
+#else
+libc_hidden_proto(getpid)
 pid_t getppid(void)
 {
-	return (__getpid());
+	return getpid();
 }
-#	endif
+#endif