fix compiler warning
fix a compiler warning.
@@ -4753,7 +4753,7 @@ static int decompress_data(request_t* r, zstd_buffer *in, zstd_buffer *out){
ZSTD_outBuffer obuf = {out->buf, out->size, out->pos};
if(!r->zstd_dctx) {
- gwarning(stderr, "%s", "Out of memory when ZSTD_createDCtx");
+ gwarning(NULL, "%s", "Out of memory when ZSTD_createDCtx");
return -1;
}
