Kill trailing whitespace in ruby files

app/logical/current_user.rb

@@ -2,10 +2,10 @@ class CurrentUser
   def self.scoped(user, ip_addr)
     old_user = self.user
     old_ip_addr = self.ip_addr
-    
+
     self.user = user
     self.ip_addr = ip_addr
-    
+
     begin
       yield
     ensure
@@ -17,19 +17,19 @@ class CurrentUser
   def self.user=(user)
     Thread.current[:current_user] = user
   end
-  
+
   def self.ip_addr=(ip_addr)
     Thread.current[:current_ip_addr] = ip_addr
   end
-  
+
   def self.user
     Thread.current[:current_user]
   end
-  
+
   def self.ip_addr
     Thread.current[:current_ip_addr]
   end
-  
+
   def self.id
     if user.nil?
       nil
@@ -37,11 +37,11 @@ class CurrentUser
       user.id
     end
   end
-  
+
   def self.name
     user.name
   end
-  
+
   def self.method_missing(method, *params, &block)
     if user.respond_to?(method)
       user.__send__(method, *params, &block)