overcome extconf conflict

ext/extconf.rb

@@ -35,6 +35,7 @@ end
 # check for 1.9
 if have_func('rb_thread_blocking_region') and have_macro('RUBY_UBF_IO', 'ruby.h')
   $CFLAGS += " -DHAVE_TBR "
+  $CPPFLAGS << " -DHAVE_TBR"
 end
 
 # make mysql constant

lib/mysqlplus.rb

@@ -10,10 +10,3 @@ class Mysql
   
 end
 
-class Mysql::Result
-  def all_hashes
-    rows = []
-    each_hash { |row| rows << row }
-    rows
-  end
-end