Remove trailing whitespace

src/lib/Hydra/View/NixClosure.pm

@@ -6,17 +6,17 @@ use IO::Pipe;
 
 sub process {
     my ($self, $c) = @_;
-    
+
     $c->response->content_type('application/x-nix-export');
 
     my @storePaths = @{$c->stash->{storePaths}};
 
     my $fh = new IO::Handle;
-    
+
     open $fh, "nix-store --export `nix-store -qR @storePaths` | gzip |";
 
     $c->response->body($fh);
-    
+
     return 1;
 }