Fix trailing whitespace in scripts and misc. files

Source/core/scripts/Hasher.pm

 # Copyright (C) 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006, 2007 Samuel Weinig <sam@webkit.org>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2011 Patrick Gansterer <paroga@webkit.org>
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 24 matching lines @@
 
 # Paul Hsieh's SuperFastHash
 # http://www.azillionmonkeys.com/qed/hash.html
 sub GenerateHashValue
 {
     my @chars = split(/ */, $_[0]);
 
     # This hash is designed to work on 16-bit chunks at a time. But since the normal case
     # (above) is to hash UTF-16 characters, we just treat the 8-bit chars as if they
     # were 16-bit chunks, which should give matching results
-    
+
     my $EXP2_32 = 4294967296;
-    
+
     my $hash = 0x9e3779b9;
     my $l    = scalar @chars; #I wish this was in Ruby --- Maks
     my $rem  = $l & 1;
     $l = $l >> 1;
-    
+
     my $s = 0;
-    
+
     # Main loop
     for (; $l > 0; $l--) {
         $hash   += ord($chars[$s]);
         my $tmp = leftShift(ord($chars[$s+1]), 11) ^ $hash;
         $hash   = (leftShift($hash, 16)% $EXP2_32) ^ $tmp;
         $s += 2;
         $hash += $hash >> 11;
         $hash %= $EXP2_32;
     }
-    
+
     # Handle end case
     if ($rem != 0) {
         $hash += ord($chars[$s]);
         $hash ^= (leftShift($hash, 11)% $EXP2_32);
         $hash += $hash >> 17;
     }
-    
+
     # Force "avalanching" of final 127 bits
     $hash ^= leftShift($hash, 3);
     $hash += ($hash >> 5);
     $hash = ($hash% $EXP2_32);
     $hash ^= (leftShift($hash, 2)% $EXP2_32);
     $hash += ($hash >> 15);
     $hash = $hash% $EXP2_32;
     $hash ^= (leftShift($hash, 10)% $EXP2_32);
-    
+
     # Save 8 bits for StringImpl to use as flags.
     $hash &= 0xffffff;
-    
+
     # This avoids ever returning a hash code of 0, since that is used to
     # signal "hash not computed yet". Setting the high bit maintains
     # reasonable fidelity to a hash code of 0 because it is likely to yield
     # exactly 0 when hash lookup masks out the high bits.
     $hash = (0x80000000 >> 8) if ($hash == 0);
-    
+
     return $hash;
 }
 
 1;