Bug 219328 search.gif's dimensions in nav_help.html are specified wrong.

patch by bugzilla@accessibleinter.net r=rlk@trfenv.com

suite/locales/en-US/chrome/common/help/nav_help.xhtml

@@ -372,7 +372,7 @@ My Sidebar from the submenu.</p>
 <h3>Searching from the Location Bar</h3>
 <p>Searching for web pages on a particular topic is as easy as typing a question, 
   or just a word or two, into the browser's Location Bar, as pictured below.</p>
-<p><img src="images/search.gif" width="334" height="33" alt="Location Bar with Search Term"></p>
+<p><img src="images/search.gif" width="305" height="40" alt="Location Bar with Search Term"></p>
 <p>For example, if you want to find information about baby dolls:</p>
 <ol>
 <li>Double-click in the Location Bar to select the current text.