Fixed memory leak in handle_local_infile()

BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

BitKeeper/etc/logging_ok

@@ -93,6 +93,7 @@ joerg@mysql.com
 joreland@mysql.com
 jorge@linux.jorge.mysql.com
 jplindst@t41.(none)
+kaa@polly.local
 kaj@work.mysql.com
 kent@mysql.com
 konstantin@mysql.com

libmysql/libmysql.c

@@ -852,6 +852,7 @@ my_bool handle_local_infile(MYSQL *mysql, const char *net_filename)
 err:
   /* free up memory allocated with _init, usually */
   (*options->local_infile_end)(li_ptr);
+  my_free(buf, MYF(0));
   DBUG_RETURN(result);
 }