XConditionalFormat.idl doctext refers to a ConditionFormatEntryType constant
that does not exist. The referred constant should be ConditionEntryType.

Change-Id: I99349f0f4fb2406155278330e7e3b5f26caadc90
Reviewed-on: https://gerrit.libreoffice.org/37834Reviewed-by: Chris Sherlock <chris.sherlock79@gmail.com>
Tested-by: Chris Sherlock <chris.sherlock79@gmail.com>