CLEANUP: adjust indentation in bidir STREAM handling function

Fix indentation in qc_handle_bidi_strm_frm in if condition.
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index 6f92849..084afae 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -2110,9 +2110,8 @@
 	if (strm_frm->offset.key == strm->rx.offset) {
 		int ret;
 
-		if (!qc_get_buf(strm, &strm->rx.buf)) {
-		    goto store_frm;
-		}
+		if (!qc_get_buf(strm, &strm->rx.buf))
+			goto store_frm;
 
 		ret = qc_strm_cpy(&strm->rx.buf, strm_frm);
 		total += ret;