[FIX]comment should start with whitespace

Signed-off-by: Scaat Feng <scaat.feng@gmail.com>

pkg/getter/httpgetter.go

@@ -33,7 +33,7 @@ type HTTPGetter struct {
 	opts options
 }
 
-//Get performs a Get from repo.Getter and returns the body.
+// Get performs a Get from repo.Getter and returns the body.
 func (g *HTTPGetter) Get(href string, options ...Option) (*bytes.Buffer, error) {
 	for _, opt := range options {
 		opt(&g.opts)