ScAttrArray::HasAttrib needs to process the default pattern if none set

Change-Id: I00f82387ce67ce7d6e8708c7def994767cd79b6f
Reviewed-on: https://gerrit.libreoffice.org/36269Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

sc/inc/attarray.hxx

@@ -101,6 +101,7 @@ friend class ScHorizontalAttrIterator;
     void RemoveCellCharAttribs( SCROW nStartRow, SCROW nEndRow,
                               const ScPatternAttr* pPattern, ScEditDataArray* pDataArray );
     void SetDefaultIfNotInit( SCSIZE nNeeded = 1 );
+    bool HasAttrib_Impl(const ScPatternAttr* pPattern, HasAttrFlags nMask, SCROW nRow1, SCROW nRow2, SCSIZE i) const;
 
     ScAttrArray(const ScAttrArray&) = delete;
     ScAttrArray& operator=(const ScAttrArray&) = delete;