symbol_list_length should return int, not unsigned int

[Paul Eggert]

I installed this minor fix:

2006-07-09  Paul Eggert  <address@hidden>

        * src/symlist.c (symbol_list_length): Return int, not unsigned
        int, since callers expect int.  This may need to get revisited
        once we have proper integer overflow checking.

--- src/symlist.c       26 Jun 2006 04:16:50 -0000      1.18
+++ src/symlist.c       9 Jul 2006 19:39:41 -0000
@@ -100,8 +100,8 @@ symbol_list_free (symbol_list *list)
 | Return its length.  |
 `--------------------*/
 
-unsigned int
-symbol_list_length (const symbol_list *l)
+int
+symbol_list_length (symbol_list const *l)
 {
   int res = 0;
   for (/* Nothing. */; l && l->sym; l = l->next)
--- src/symlist.h       26 Jun 2006 04:45:24 -0000      1.16
+++ src/symlist.h       9 Jul 2006 19:39:41 -0000
@@ -47,7 +47,7 @@ typedef struct symbol_list
   const char *action;
   location action_location;
 
-  /* Whether this symbol's value is used in the current action. */
+  /* Whether this symbol's value is used in the current action.  */
   bool used;
 
   /* Precedence/associativity.  */
@@ -76,7 +76,7 @@ symbol_list *symbol_list_prepend (symbol
 void symbol_list_free (symbol_list *l);
 
 /* Return its length. */
-unsigned int symbol_list_length (const symbol_list *l);
+int symbol_list_length (symbol_list const *l);
 
 /* Get symbol N in symbol list L.  */
 symbol_list *symbol_list_n_get (symbol_list *l, int n);