[fix]: fixed duplicated merge operations for HLS keys path.

Author: deamos

hls/ngx_rtmp_hls_module.c

@@ -2347,7 +2347,7 @@ ngx_rtmp_hls_merge_app_conf(ngx_conf_t *cf, void *parent, void *child)
     ngx_conf_merge_str_value(conf->base_url, prev->base_url, "");
     ngx_conf_merge_value(conf->granularity, prev->granularity, 0);
     ngx_conf_merge_value(conf->keys, prev->keys, 0);
-    ngx_conf_merge_str_value(conf->key_path, prev->key_path, "");
+    /*ngx_conf_merge_str_value(conf->key_path, prev->key_path, "");*/
     ngx_conf_merge_str_value(conf->key_url, prev->key_url, "");
     ngx_conf_merge_uint_value(conf->frags_per_key, prev->frags_per_key, 0);