llist: hide Curl_llist_init

Curl_llist_init is never used outside of llist.c and thus it should be
static. I also removed the protos for Curl_llist_insert_prev and
Curl_llist_remove_next which are functions we removed from llist.c ages
ago.

lib/llist.c

@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -31,8 +31,8 @@
 /* this must be the last include file */
 #include "memdebug.h"
 
-void
-Curl_llist_init(struct curl_llist *l, curl_llist_dtor dtor)
+static void
+llist_init(struct curl_llist *l, curl_llist_dtor dtor)
 {
   l->size = 0;
   l->dtor = dtor;
@@ -49,7 +49,7 @@ Curl_llist_alloc(curl_llist_dtor dtor)
   if(NULL == list)
     return NULL;
 
-  Curl_llist_init(list, dtor);
+  llist_init(list, dtor);
 
   return list;
 }

lib/llist.h

@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2008, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -43,16 +43,11 @@ struct curl_llist {
   size_t size;
 };
 
-void Curl_llist_init(struct curl_llist *, curl_llist_dtor);
 struct curl_llist *Curl_llist_alloc(curl_llist_dtor);
 int Curl_llist_insert_next(struct curl_llist *, struct curl_llist_element *,
                            const void *);
-int Curl_llist_insert_prev(struct curl_llist *, struct curl_llist_element *,
-                           const void *);
 int Curl_llist_remove(struct curl_llist *, struct curl_llist_element *,
                       void *);
-int Curl_llist_remove_next(struct curl_llist *, struct curl_llist_element *,
-                           void *);
 size_t Curl_llist_count(struct curl_llist *);
 void Curl_llist_destroy(struct curl_llist *, void *);
 int Curl_llist_move(struct curl_llist *, struct curl_llist_element *,