Fix 'except' and 'prefer' spelling.

webkit/glue/webkit_strings.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- This file contains definitions of resources that will be translated for
 each locale. Specifically, these are UI strings that are used by webkit that
 need to be translated for each locale.-->
 
 <!-- Some of these strings and string descriptions were taken from
 WebKit/win/WebCoreLocalizedStrings.cpp so we include the original license
 below:
 
@@ skipping 272 matching lines @@
       </message>
       <message name="IDS_FORM_OTHER_MONTH_LABEL" desc="Label for button that opens a full month picker so the user can choose dates other than the ones in the list." meaning="for month label">
         Other...
       </message>
       <message name="IDS_FORM_OTHER_TIME_LABEL" desc="Label for button that opens a full time picker so the user can choose dates other than the ones in the list." meaning="for time label">
         Other...
       </message>
       <message name="IDS_FORM_OTHER_WEEK_LABEL" desc="Label for button that opens a full week picker so the user can choose dates other than the ones in the list." meaning="for week label">
         Other...
       </message>
-      <message name="IDS_FORM_PLACEHOLDER_FOR_DAY_OF_MONTH_FIELD" desc="Text for denoting day of month field position in date format. Short text is prefered. See http://crbug.com/152632 for samples.">
+      <message name="IDS_FORM_PLACEHOLDER_FOR_DAY_OF_MONTH_FIELD" desc="Text for denoting day of month field position in date format. Short text is preferred. See http://crbug.com/152632 for samples.">
         dd
       </message>
-      <message name="IDS_FORM_PLACEHOLDER_FOR_MONTH_FIELD" desc="Text for denoting month field position in date format. Short text is prefered. See http://crbug.com/152632 for samples.">
+      <message name="IDS_FORM_PLACEHOLDER_FOR_MONTH_FIELD" desc="Text for denoting month field position in date format. Short text is preferred. See http://crbug.com/152632 for samples.">
         mm
       </message>
-      <message name="IDS_FORM_PLACEHOLDER_FOR_YEAR_FIELD" desc="Text for denoting day of month field position in date format. Short text is prefered. See http://crbug.com/152632 for samples.">
+      <message name="IDS_FORM_PLACEHOLDER_FOR_YEAR_FIELD" desc="Text for denoting day of month field position in date format. Short text is preferred. See http://crbug.com/152632 for samples.">
         yyyy
       </message>
       <message name="IDS_FORM_SELECT_MENU_LIST_TEXT" desc="Text for the menu list rendering of a select element.">
         <ph name="SELECTED_COUNT">$1<ex>3</ex></ph> selected
       </message>
       <message name="IDS_FORM_THIS_MONTH_LABEL" desc="Label for button in month picker to select this month.">
         This month
       </message>
       <message name="IDS_FORM_THIS_WEEK_LABEL" desc="Label for button in week picker to select this week.">
         This week
@@ skipping 371 matching lines @@
         Loading
       </message>
 
       <message name="IDS_PLUGIN_INITIALIZATION_ERROR" desc="A message displayed when a plug-in failed to load">
         Couldn't load plug-in.
       </message>
 
     </messages>
   </release>
 </grit>