fix geoip chi not return chinese translation (#2335)

* fix geoip chi and zho not return chinese translation

* optimize code logic: chi and zho as the final return

* code optimization

(cherry picked from commit 5c1a5e3)

Author: Lxeon

extensions/geoip/geoip_util.cpp

@@ -183,6 +183,10 @@ const char *getLang(int target)
 
 		if (translator->GetLanguageInfo(langid, &code, NULL))
 		{
+			if (strcmp(code, "chi") == 0)
+			{
+				code = "zh-CN";
+			}
 			for (size_t i = 0; i < mmdb.metadata.languages.count; i++)
 			{
 				if (strcmp(code, mmdb.metadata.languages.names[i]) == 0)
@@ -206,4 +210,4 @@ std::string lookupString(const char *ip, const char **path)
 	}
 
 	return std::string(result.utf8_string, result.data_size);
-}
+}