remove empty lines ics

app/views/calendars/show.ics.erb

@@ -1,4 +1,3 @@
-
 BEGIN:VCALENDAR
 VERSION:2.0
 PRODID:http://www.example.com/calendarapplication/
@@ -7,4 +6,4 @@ X-WR-TIMEZONE:Vienna
 <% @calendar.calentries.each do |entry| %>
 <%= render entry %>
 <% end %>
-END:VCALENDAR
+END:VCALENDAR

app/views/calentries/_calentry.ics.erb

@@ -8,4 +8,4 @@ CLASS:PUBLIC
 DTSTART:<%= calentry.start.strftime "%Y%m%dT%H%M%S" %>
 DTEND:<%= calentry.ende.strftime "%Y%m%dT%H%M%S" %>
 DTSTAMP:<%= calentry.start.strftime "%Y%m%dT%H%M%S" %>
-END:VEVENT
+END:VEVENT