* lib/rdoc/*.rb: Remove unused variable warnings.

Patch by Run Paint [ruby-core:30991]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@29724 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rdoc/parser/c.rb

@@ -284,7 +284,6 @@ class RDoc::Parser::C < RDoc::Parser
             \s*(\([^)]*\))([^;]|$))"xm
       comment = $1
       body_text = $2
-      params = $3
 
       remove_private_comments comment if comment
 
@@ -304,7 +303,6 @@ class RDoc::Parser::C < RDoc::Parser
 
       find_modifiers comment, meth_obj if comment
 
-      #meth_obj.params = params
       meth_obj.start_collecting_tokens
       tk = RDoc::RubyToken::Token.new nil, 1, 1
       tk.set_text body_text

lib/rdoc/parser/ruby.rb

@@ -452,7 +452,8 @@ class RDoc::Parser::Ruby < RDoc::Parser
 
   def parse_attr_accessor(context, single, tk, comment)
     args = parse_symbol_arg
-    read = get_tkread
+    get_tkread
+
     rw = "?"
 
     # TODO If nodoc is given, don't document any of them
@@ -758,7 +759,8 @@ class RDoc::Parser::Ruby < RDoc::Parser
 
   def parse_meta_attr(context, single, tk, comment)
     args = parse_symbol_arg
-    read = get_tkread
+    get_tkread
+
     rw = "?"
 
     # If nodoc is given, don't document any of them