Merge deer.(none):/home/hf/work/mysql-4.1.clean

into deer.(none):/home/hf/work/mysql-5.0.clean

myisam/ft_stopwords.c

@@ -125,4 +125,5 @@ void ft_free_stopwords()
     my_free((char*) stopwords3,MYF(0));
     stopwords3=0;
   }
+  ft_stopword_file= 0;
 }

sql/mysqld.cc

@@ -964,6 +964,7 @@ void clean_up(bool print_message)
   item_user_lock_free();
   lex_free();				/* Free some memory */
   set_var_free();
+  free_charsets();
 #ifdef HAVE_DLOPEN
   if (!opt_noacl)
     udf_free();