fix(rime_api.cc): check struct has member of non-pointer type

Author: lotem

src/rime_api.cc

@@ -68,7 +68,8 @@ RIME_API void RimeSetup(RimeTraits *traits) {
 
   setup_deployer(traits);
   if (PROVIDED(traits, app_name)) {
-    if (PROVIDED(traits, min_log_level) && PROVIDED(traits, log_dir)) {
+    if (RIME_STRUCT_HAS_MEMBER(*traits, traits->min_log_level) &&
+        RIME_STRUCT_HAS_MEMBER(*traits, traits->log_dir)) {
       SetupLogging(traits->app_name, traits->min_log_level, traits->log_dir);
     } else {
       SetupLogging(traits->app_name);