Renamed this macro. It's been annoying me for months.

No change to actual code, just a macro rename.

PiperOrigin-RevId: 350768281
Change-Id: Ibf527f4942897c82166bb9ec31d1e3c17d495ea7

quic/core/quic_interval_deque.h

diff --git a/quic/core/quic_interval_deque.h b/quic/core/quic_interval_deque.h
index 9b9951b..0218ff2 100644
--- a/quic/core/quic_interval_deque.h
+++ b/quic/core/quic_interval_deque.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef QUICHE_QUIC_CORE_QUIC_SEEKER_H_
-#define QUICHE_QUIC_CORE_QUIC_SEEKER_H_
+#ifndef QUICHE_QUIC_CORE_QUIC_INTERVAL_DEQUE_H_
+#define QUICHE_QUIC_CORE_QUIC_INTERVAL_DEQUE_H_
 
 #include <algorithm>
 
@@ -389,4 +389,4 @@
 
 }  // namespace quic
 
-#endif  // QUICHE_QUIC_CORE_QUIC_SEEKER_H_
+#endif  // QUICHE_QUIC_CORE_QUIC_INTERVAL_DEQUE_H_