Removes hard-coded size on user search fields (#5319).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3682 e93f8b46-1217-0410-a6f0-8f06a7374b81

public/stylesheets/application.css

@@ -439,6 +439,8 @@ div#tab-content-members fieldset div, div#tab-content-users fieldset div { max-h
 
 table.members td.group { padding-left: 20px; background: url(../images/group.png) no-repeat 0% 50%; }
 
+input#principal_search, input#user_search {width:100%}
+
 * html div#tab-content-members fieldset div { height: 450px; }
 
 /***** Flash & error messages ****/