menuconfig: Replace CIRCLEQ by list_head-style lists.

sys/queue.h and CIRCLEQ in particular have proven to cause portability
problems (reported on Debian Sarge, Cygwin and FreeBSD)

Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Tested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Tested-by: Yaakov Selkowitz <yselkowitz@users.sourceforge.net>
Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index a3cade6..e98a05c 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -508,7 +508,7 @@
 }
 
 static void get_prompt_str(struct gstr *r, struct property *prop,
-			   struct jk_head *head)
+			   struct list_head *head)
 {
 	int i, j;
 	struct menu *submenu[8], *menu, *location = NULL;
@@ -544,12 +544,13 @@
 		} else
 			jump->target = location;
 
-		if (CIRCLEQ_EMPTY(head))
+		if (list_empty(head))
 			jump->index = 0;
 		else
-			jump->index = CIRCLEQ_LAST(head)->index + 1;
+			jump->index = list_entry(head->prev, struct jump_key,
+						 entries)->index + 1;
 
-		CIRCLEQ_INSERT_TAIL(head, jump, entries);
+		list_add_tail(&jump->entries, head);
 	}
 
 	if (i > 0) {
@@ -573,7 +574,8 @@
 /*
  * head is optional and may be NULL
  */
-void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head)
+void get_symbol_str(struct gstr *r, struct symbol *sym,
+		    struct list_head *head)
 {
 	bool hit;
 	struct property *prop;
@@ -612,7 +614,7 @@
 	str_append(r, "\n\n");
 }
 
-struct gstr get_relations_str(struct symbol **sym_arr, struct jk_head *head)
+struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head)
 {
 	struct symbol *sym;
 	struct gstr res = str_new();