change switch_strlen_zero to zstr

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15211 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/languages/mod_spidermonkey_odbc/mod_spidermonkey_odbc.c

@@ -128,11 +128,11 @@ static JSBool odbc_construct(JSContext * cx, JSObject * obj, uintN argc, jsval *
 		}
 	}
 
-	if (switch_strlen_zero(username)) {
+	if (zstr(username)) {
 		username = NULL;
 	}
 
-	if (switch_strlen_zero(password)) {
+	if (zstr(password)) {
 		password = NULL;
 	}