make parse-headers private

Author: mmcgrana

src/clj_http/core.clj

@@ -7,7 +7,7 @@
   (:import (org.apache.http.client.params CookiePolicy ClientPNames))
   (:import (org.apache.http.impl.client DefaultHttpClient)))
 
-(defn parse-headers [#^HttpResponse http-resp]
+(defn- parse-headers [#^HttpResponse http-resp]
   (into {} (map (fn [#^Header h] [(.toLowerCase (.getName h)) (.getValue h)])
                 (iterator-seq (.headerIterator http-resp)))))