revert r37326 "remove string literal concatenation"

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37328 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/net/http/generic_request.rb b/lib/net/http/generic_request.rb
index f10ddebfaa..bcf87d35be 100644
--- a/lib/net/http/generic_request.rb
+++ b/lib/net/http/generic_request.rb
@@ -186,7 +186,9 @@ class Net::HTTPGenericRequest
       if filename
         filename = quote_string(filename, charset)
         type = h[:content_type] || 'application/octet-stream'
-        buf << "Content-Disposition: form-data; name=\"#{key}\"; filename=\"#{filename}\"\r\nContent-Type: #{type}\r\n\r\n"
+        buf << "Content-Disposition: form-data; " \
+          "name=\"#{key}\"; filename=\"#{filename}\"\r\n" \
+          "Content-Type: #{type}\r\n\r\n"
         if !out.respond_to?(:write) || !value.respond_to?(:read)
           # if +out+ is not an IO or +value+ is not an IO
           buf << (value.respond_to?(:read) ? value.read : value)