[cachedb_local] multiple fixes

	* leave the must-have first 3 parameteres in lcache_con
structure definition as they are in cachedb api implementation;
	* avoid not freeing last url in mod init;

modules/cachedb_local/cachedb_local.c

@@ -387,9 +387,6 @@ static int mod_init(void)
 
 	if ( it ) {
 		while (it) {
-			if (foo)
-				pkg_free(foo);
-
 			con = lcache_init(&it->url);
 			if (con == NULL) {
 				LM_ERR("failed to init connection for collection <%.*s>!\n",0,"");
@@ -403,6 +400,7 @@ static int mod_init(void)
 
 			foo = it;
 			it = it->next;
+			pkg_free(foo);
 		}
 	} else {
 		/* no url defined; keep old functionality */

modules/cachedb_local/cachedb_local.h

@@ -39,10 +39,11 @@ extern int local_exec_threshold;
 
 typedef struct {
 	struct cachedb_id *id;
-	/* local cache hash structure */
-	struct lcache_col* col;
 	unsigned int ref;
 	struct cachedb_pool_con_t *next;
+
+	/* local cache hash structure */
+	struct lcache_col* col;
 } lcache_con;
 
 typedef struct lcache_col {