remove unused variable `tmp'.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9663 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

range.c

@@ -620,7 +620,6 @@ range_include(VALUE range, VALUE val)
 {
     VALUE beg = rb_ivar_get(range, id_beg);
     VALUE end = rb_ivar_get(range, id_end);
-    VALUE tmp;
     int nv = FIXNUM_P(beg) || FIXNUM_P(end) ||
 	     rb_obj_is_kind_of(beg, rb_cNumeric) ||
 	     rb_obj_is_kind_of(end, rb_cNumeric);