Fix: request builder for the AI Service (#15879)

tasks/task_translation.c

@@ -1547,17 +1547,17 @@ static void build_request_url(char *buffer, size_t length, settings_t *settings)
                                    && video_st->poke->load_texture
                                    && video_st->poke->unload_texture;
 #endif
-
-   _len = strlcpy(buffer, service_url, length);
-   buffer += _len;
-   length -= _len;
-
+
    token[1] = '\0';
-   if (strrchr(buffer, '?'))
+   if (strrchr(service_url, '?'))
       token[0] = '&';
    else
       token[0] = '?';
-
+
+   _len = strlcpy(buffer, service_url, length);
+   buffer += _len ;
+   length -= _len;
+
    if (service_source_lang != TRANSLATION_LANG_DONT_CARE)
    {
       const char *lang_source 
@@ -1569,7 +1569,7 @@ static void build_request_url(char *buffer, size_t length, settings_t *settings)
          buffer += _len;
          length -= _len;
 
-         _len = strlcpy(buffer + _len, "source_lang=", length - _len);
+         _len = strlcpy(buffer, "source_lang=", length);
          buffer += _len;
          length -= _len;