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-rw-r--r--lib/rubygems/ext/ext_conf_builder.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/rubygems/ext/ext_conf_builder.rb b/lib/rubygems/ext/ext_conf_builder.rb
index 88be7ecfe8..d06e923a30 100644
--- a/lib/rubygems/ext/ext_conf_builder.rb
+++ b/lib/rubygems/ext/ext_conf_builder.rb
@@ -27,7 +27,7 @@ class Gem::Ext::ExtConfBuilder < Gem::Ext::Builder
# Details: https://github.com/rubygems/rubygems/issues/977#issuecomment-171544940
tmp_dest = get_relative_path(tmp_dest)
- Tempfile.open %w"siteconf .rb", "." do |siteconf|
+ Tempfile.open %w[siteconf .rb], "." do |siteconf|
siteconf.puts "require 'rbconfig'"
siteconf.puts "dest_path = #{tmp_dest.dump}"
%w[sitearchdir sitelibdir].each do |dir|