fixed icons for Activity section in user#show

app/assets/stylesheets/fonts/openproject_icon_font.css.sass

@@ -252,6 +252,7 @@ dt.work_package-note:before,
 .icon-ticket-note:before
   content: "\e024"
 
+dt.time_entry:before,
 dt.time-entry:before,
 .icon-time:before
   content: "\e025"

app/views/users/show.html.erb

@@ -78,7 +78,7 @@ See doc/COPYRIGHT.rdoc for more details.
         <h4><%= format_activity_day(day) %></h4>
         <dl>
           <% @events_by_day[day].sort {|x,y| y.event_datetime <=> x.event_datetime }.each do |e| -%>
-            <dt class="<%= e.event_type %>">
+            <dt class="icon-context <%= e.event_type %>">
               <span class="time"><%= format_time(e.event_datetime, false) %></span>
               <%= content_tag('span', h(e.project), :class => 'project') %>
               <%= link_to format_activity_title(e.event_title), e.event_url %>