WindowsでDROP INDEX時などにSEN系ファイルが残ってしまう問題の修正

nkjm氏が表題のバグを直してcommitしてくれたのでmysql-5.0-enterpriseツリーにmerge。

マージ元 -r67:71

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r71 | nkjm | 2007-06-26 16:12:23 +0900 (火, 26  6月 2007) | 7 lines
myisam/mi_rename.c
        Add DBUG_RETURN() in case of mi_open failure
myisam/mi_delete_table.c
        Add DBUG_RETURN() in case of mi_open failure
------------------------------------------------------------------------
r70 | nkjm | 2007-06-26 14:59:05 +0900 (火, 26  6月 2007) | 4 lines
myisam/mi_rename.c:
    Fix the variable name from "mi_info" to "cp_of_mi_info"
------------------------------------------------------------------------
r69 | nkjm | 2007-06-26 10:33:05 +0900 (火, 26  6月 2007) | 7 lines
myisam/mi_rename.c:
        Execute mi_close before sen_index_rename just in case.
        Refactoring
myisam/mi_delete_table.c:
        Refactoring
------------------------------------------------------------------------
r68 | nkjm | 2007-06-26 09:56:37 +0900 (火, 26  6月 2007) | 4 lines
myisam/mi_delete_table.c:
        Execute mi_close before sen_index_remove in order to unlink the senna index files properly.

マージ履歴@r72

Merged from mysql-5.0-community/trunk
Bugfix: SEN files were not removed when dropping table on Windows.
svn merge -r67:71 mysql-5.0-community/trunk mysql-5.0-enterprise/trunk