Fix trailing whitespace in scripts and misc. files

Tools/Scripts/clean-header-guards

Index: Tools/Scripts/clean-header-guards
diff --git a/Tools/Scripts/clean-header-guards b/Tools/Scripts/clean-header-guards
index 2bad046edf27b3097fe416eadccf9712d4d031bb..848439f71af36024633378cf39f456a6c0ec0873 100755
--- a/Tools/Scripts/clean-header-guards
+++ b/Tools/Scripts/clean-header-guards
@@ -6,7 +6,7 @@ require 'optparse'
 options = {}
 OptionParser.new do |opts|
   opts.banner = "Usage: clean-header-guards [options]"
-  
+
   opts.on("--prefix [PREFIX]", "Append a header prefix to all guards") do |prefix|
     options[:prefix] = prefix
   end
@@ -14,16 +14,16 @@ end.parse!
 
 IgnoredFilenamePatterns = [
   # ignore headers which are known not to have guard
-  /WebCorePrefix/, 
+  /WebCorePrefix/,
   /ForwardingHeaders/,
-  %r|bindings/objc|, 
+  %r|bindings/objc|,
   /vcproj/, # anything inside a vcproj is in the windows wasteland
-  
+
   # we don't own any of these headers
   %r|icu/unicode|,
   %r|platform/graphics/cairo|,
   %r|platform/image-decoders|,
-  
+
   /config.h/ # changing this one sounds scary
 ].freeze
 
@@ -32,7 +32,7 @@ IgnoreFileNamesPattern = Regexp.union(*IgnoredFilenamePatterns).freeze
 Find::find(".") do |filename|
   next unless filename =~ /\.h$/
   next if filename.match(IgnoreFileNamesPattern)
-  
+
   File.open(filename, "r+") do |file|
     contents = file.read
     match_results = contents.match(/#ifndef (\S+)\n#define \1/s)