putting back flex on textbox that blake seems to have 'accidentally' removed

suite/common/openLocation.xul

@@ -57,7 +57,7 @@
       <separator class="thin"/>
 
       <hbox align="center">
-        <textbox id="dialog.input" type="autocomplete"
+        <textbox id="dialog.input" flex="1" type="autocomplete"
                   searchSessions="history" timeout="50" maxrows="6"
                   oninput="doEnabling();" ontextcommand="if (userAction == 'scrolling' ||
                                                              userAction == 'typing') open();">