DROP DATABASE now returns (affected_rows) number of tables dropped

mysql-test/r/drop.result

@@ -21,7 +21,7 @@ select * from mysqltest.mysqltest;
 n
 4
 drop database if exists mysqltest;
-affected rows: 4
+affected rows: 1
 create database mysqltest;
 drop database mysqltest;
 flush tables with read lock;

sql/sql_db.cc

@@ -502,8 +502,6 @@ static long mysql_rm_known_files(THD *thd, MY_DIR *dirp, const char *db,
     {
       if (find_type(extension, &known_extentions,1+2) <= 0)
 	found_other_files++;
-      else
-        deleted++;
       continue;
     }
     if (db && !my_strcasecmp(&my_charset_latin1,
@@ -530,7 +528,6 @@ static long mysql_rm_known_files(THD *thd, MY_DIR *dirp, const char *db,
       {
 	goto err;
       }
-      deleted++;
     }
   }
   if (thd->killed ||