Set the variables top-down, so that if a script sets a variable more than once,

the last one will take precedence.
(closes issue #12673)
 Reported by: phber
 Patches: 
       20080519__bug12673.diff.txt uploaded by Corydon76 (license 14)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@123710 65c4cc65-6c06-0410-ace0-fbb531ad65f3

pbx/pbx_spool.c

@@ -128,7 +128,11 @@ static int apply_outgoing(struct outgoing *o, char *fn, FILE *f)
 	char buf[256];
 	char *c, *c2;
 	int lineno = 0;
-	struct ast_variable *var;
+	struct ast_variable *var, *last = o->vars;
+
+	while (last && last->next) {
+		last = last->next;
+	}
 
 	while(fgets(buf, sizeof(buf), f)) {
 		lineno++;
@@ -222,8 +226,13 @@ static int apply_outgoing(struct outgoing *o, char *fn, FILE *f)
 					if (c2) {
 						var = ast_variable_new(c, c2);
 						if (var) {
-							var->next = o->vars;
-							o->vars = var;
+							/* Always insert at the end, because some people want to treat the spool file as a script */
+							if (last) {
+								last->next = var;
+							} else {
+								o->vars = var;
+							}
+							last = var;
 						}
 					} else
 						ast_log(LOG_WARNING, "Malformed \"%s\" argument.  Should be \"%s: variable=value\"\n", buf, buf);