Merge pull request rack#354 from benhamill/silence_constant_warning

Only remove a constant if it exists.
byroot · Mar 7, 2012 · 8d2cb75 · 8d2cb75
2 parents 8c8e535 + a48eda5
commit 8d2cb75
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/rack/backports/uri/common_192.rb b/lib/rack/backports/uri/common_192.rb
@@ -66,6 +66,6 @@ def self.decode_www_form_component(str, enc=Encoding::UTF_8)
     str.gsub(/\+|%\h\h/, TBLDECWWWCOMP_).force_encoding(enc)
   end
 
-  remove_const :WFKV_
+  remove_const :WFKV_ if const_defined?(:WFKV_)
   WFKV_ = '(?:[^%#=;&]*(?:%\h\h[^%#=;&]*)*)' # :nodoc:
 end