Fix bugs, WTP knows more config items now.

FossilOrigin-Name: ee618e9a725b03b6db1e34d17dd352488a0507acf8588fba20a55bfffb668353

src/capwap/strheap.c

@@ -14,19 +14,19 @@ static void del(void* d)
 
 cw_strheap_t cw_strheap_create()
 {
-	return avltree_create(cmp,del);	
+	return mavl_create(cmp,del);	
 }
 
 const char * cw_strheap_add(cw_strheap_t t, struct cw_str *s)
 {
-	avltree_del(t,s);
-	return avltree_add(t,s);
+	mavl_del(t,s);
+	return mavl_add(t,s);
 }
 
 int cw_strheap_register_strings(cw_strheap_t h, struct cw_str *s) 
 {
 	int n=0;
-	while ( s->id!=0){
+	while ( s->id!=CW_STR_STOP){
 		cw_strheap_add(h,s);
 		s++;
 		n++;