Remove old-style savedir dcl.

Include savedir.h for prototype.

src/chgrp.c

@@ -38,6 +38,7 @@
 #include "system.h"
 #include "xstrtoul.h"
 #include "error.h"
+#include "savedir.h"
 
 /* MAXUID may come from limits.h *or* sys/params.h (via system.h) above. */
 #ifndef MAXUID
@@ -66,7 +67,6 @@ enum Change_status
 };
 
 char *group_member ();
-char *savedir ();
 char *xmalloc ();
 char *xrealloc ();
 

src/chmod.c

@@ -25,6 +25,7 @@
 #include "modechange.h"
 #include "system.h"
 #include "error.h"
+#include "savedir.h"
 
 enum Change_status
 {
@@ -34,7 +35,6 @@ enum Change_status
 };
 
 void mode_string ();
-char *savedir ();
 void strip_trailing_slashes ();
 char *xmalloc ();
 char *xrealloc ();