cleanup by @vipulnsward [GH fixes #262]

lib/net/http/generic_request.rb: Removes unnecessary assignment
lib/net/ftp.rb: Fixes dead code


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39876 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/net/ftp.rb

@@ -996,7 +996,6 @@ module Net
       else
         raise FTPProtoError, resp
       end
-      return host, port
     end
     private :parse228
 

lib/net/http/generic_request.rb

@@ -282,7 +282,7 @@ class Net::HTTPGenericRequest
 
   def quote_string(str, charset)
     str = str.encode(charset, fallback:->(c){'&#%d;'%c.encode("UTF-8").ord}) if charset
-    str = str.gsub(/[\\"]/, '\\\\\&')
+    str.gsub(/[\\"]/, '\\\\\&')
   end
 
   def flush_buffer(out, buf, chunked_p)