Fix the previously uploaded patch

chromium-76.0.3809.100-gcc-remoting-constexpr.patch

@@ -12,13 +12,13 @@ diff -up chromium-76.0.3809.100/remoting/signaling/message_tracker.cc.gcc-conste
  MessageTracker::MessageTracker() = default;
  
 diff -up chromium-76.0.3809.100/remoting/signaling/message_tracker.h.gcc-constexpr chromium-76.0.3809.100/remoting/signaling/message_tracker.h
---- chromium-76.0.3809.100/remoting/signaling/message_tracker.h.gcc-constexpr	2019-08-20 21:27:53.539653248 +0200
+--- chromium-76.0.3809.100/remoting/signaling/message_tracker.h.gcc-constexpr	2019-08-20 22:02:25.625970954 +0200
 +++ chromium-76.0.3809.100/remoting/signaling/message_tracker.h	2019-08-20 21:28:23.371952434 +0200
 @@ -36,7 +36,8 @@ class MessageTracker final {
  
    // All IDs older than now - kCleanupInterval will be eventually removed, but
    // they are not guaranteed to be immediately removed after the interval.
--  static constexpr base::TimeDelta kCleanupInterval;
+-  static const base::TimeDelta kCleanupInterval;
 +  static constexpr base::TimeDelta kCleanupInterval =
 +      base::TimeDelta::FromMinutes(2);