Watermark: set Auto size

Change-Id: I8800094387ec5fdc49e21c7c02bfc419f13998ed
Reviewed-on: https://gerrit.libreoffice.org/44104Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Szymon Kłos <szymon.klos@collabora.com>

sw/source/core/edit/edfcol.cxx

@@ -89,6 +89,7 @@
 #include <com/sun/star/beans/PropertyAttribute.hpp>
 
 #define WATERMARK_NAME "PowerPlusWaterMarkObject"
+#define WATERMARK_AUTO_SIZE sal_uInt32(1)
 
 namespace
 {
@@ -1294,6 +1295,7 @@ void lcl_placeWatermarkInHeader(const SfxWatermarkItem& rWatermark,
         xPropertySet->setPropertyValue(UNO_NAME_TEXT_WRAP, uno::makeAny(text::WrapTextMode_THROUGH));
         xPropertySet->setPropertyValue(UNO_NAME_VERT_ORIENT_RELATION, uno::makeAny(static_cast<sal_Int16>(text::RelOrientation::PAGE_PRINT_AREA)));
         xPropertySet->setPropertyValue(UNO_NAME_CHAR_FONT_NAME, uno::makeAny(sFont));
+        xPropertySet->setPropertyValue(UNO_NAME_CHAR_HEIGHT, uno::makeAny(WATERMARK_AUTO_SIZE));
         xPropertySet->setPropertyValue("Transformation", uno::makeAny(aMatrix));
         xPropertySet->setPropertyValue(UNO_NAME_HORI_ORIENT, uno::makeAny(static_cast<sal_Int16>(text::HoriOrientation::CENTER)));
         xPropertySet->setPropertyValue(UNO_NAME_VERT_ORIENT, uno::makeAny(static_cast<sal_Int16>(text::VertOrientation::CENTER)));