Made some minimal client module modifications to be in line with Django r8989 and r8990.
Made some minimal client module modifications to be in line with Django r8989 and r8990.

There is possibly more work to be done because we are using subprocess (available
starting on Python 2.4) instead of os.execvp to execute the external command line
DB client, but execvp doesn't work as we expect under win32 (something similar
happens in the sqlite3 Django DB backend).


avidal/django-pyodbc,avidal/django-pyodbc,michiya/django-pyodbc-azure,javrasya/django-pyodbc-azure