[evolution-patches] fix for the bug 311831 [calendar]

[chen <pchenthill novell com>]

Hi,
   Have attached the patch. We should propably, creating a new enum
structure to denote the e_cal call made as below

typedef enum {
 E_CAL_GET_NONE,
 E_CAL_GET_READ_ONLY,
 E_CAL_GET_CAL_ADDRESS,
 E_CAL_GET_ALARM_ADDRESS,
 ... (for all the calls)
} call_type;

and add this to the CalendarOp structure, so that we dont emit cond
signals for some other call, when a notification is received from the 
backend.

Not sure if this would