* CMTD::Main : fix error messages

lib/CMTD/Main.pm

@@ -9,7 +9,7 @@ use Mojo::Base 'Mojolicious::Controller';
 sub index {
   my ($self) = @_;
 
-  $self->render(text => 'Go away!');
+  $self->render(text => "Go away!\n");
 }
 
 sub captcha {
@@ -41,14 +41,14 @@ sub c_add {
   my $ref = $self->referrer;
   unless ($ref and ref($ref) eq 'HASH') {
     $self->res->code(400);
-    $self->render(text => "can't detect referred page");
+    $self->render(text => "can't detect referred page\n");
     return;
   }
 
   my $site = $self->app->sites->{ $ref->{site} };
   unless ($site and ref($site) eq 'HASH') {
     $self->res->code(400);
-    $self->render(text => "no such site");
+    $self->render(text => "no such site\n");
     return;
   }
 
@@ -60,7 +60,7 @@ sub c_add {
       $ref->{site}, $ref->{pid}, $@;
     $self->app->log->error($msg);
     $self->res->code(500);
-    $self->render(text => 'internal error');
+    $self->render(text => "internal error\n");
   };
 }