Move DateMath weekdayName/monthName arrays to .rodata section

Source/wtf/DateMath.h

 /*
  * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Research In Motion Limited. All rights reserved.
  *
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
@@ skipping 56 matching lines @@
 WTF_EXPORT double timeClip(double);
 // dayOfWeek: [0, 6] 0 being Monday, day: [1, 31], month: [0, 11], year: ex: 2011, hours: [0, 23], minutes: [0, 59], seconds: [0, 59], utcOffset: [-720,720].
 WTF_EXPORT String makeRFC2822DateString(unsigned dayOfWeek, unsigned day, unsigned month, unsigned year, unsigned hours, unsigned minutes, unsigned seconds, int utcOffset);
 
 inline double jsCurrentTime()
 {
     // JavaScript doesn't recognize fractions of a millisecond.
     return floor(WTF::currentTimeMS());
 }
 
-const char* const weekdayName[7] = { "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun" };
-const char* const monthName[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+const char weekdayName[7][4] = { "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun" };
+const char monthName[12][4] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
 const char* const monthFullName[12] = { "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" };
 
 const double hoursPerDay = 24.0;
 const double minutesPerHour = 60.0;
 const double secondsPerHour = 60.0 * 60.0;
 const double secondsPerMinute = 60.0;
 const double msPerSecond = 1000.0;
 const double msPerMinute = 60.0 * 1000.0;
 const double msPerHour = 60.0 * 60.0 * 1000.0;
 const double msPerDay = 24.0 * 60.0 * 60.0 * 1000.0;
@@ skipping 32 matching lines @@
 using WTF::msToDays;
 using WTF::msToMinutes;
 using WTF::msToHours;
 using WTF::secondsPerMinute;
 using WTF::parseDateFromNullTerminatedCharacters;
 using WTF::makeRFC2822DateString;
 using WTF::calculateUTCOffset;
 using WTF::calculateDSTOffset;
 
 #endif // DateMath_h