Correction of a typo in the doctext of XConditionalFormat.idl

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>

offapi/com/sun/star/sheet/XConditionalFormat.idl

@@ -20,7 +20,7 @@ interface XConditionalFormat : com::sun::star::container::XIndexAccess
     /**
      * Creates a new conditional format entry and insert its at the position.
      *
-     * @param Type: a com.sun.star.sheet.ConditionFormatEntryType specifying the
+     * @param Type: a com.sun.star.sheet.ConditionEntryType specifying the
      *              type of the new entry
      *
      * @param Position: the position in the conditional format