CLEANUP: quic: fix spelling mistake in a trace

Initiial -> Initial
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index 0f7be58..04c315a 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -4017,7 +4017,7 @@
 			size_t salt_len = sizeof initial_salt_v1;
 
 			if (pkt->type != QUIC_PACKET_TYPE_INITIAL) {
-				TRACE_PROTO("Non Initiial packet", QUIC_EV_CONN_LPKT);
+				TRACE_PROTO("Non Initial packet", QUIC_EV_CONN_LPKT);
 				goto err;
 			}