tdf#121664 DOCX import: fix lack of line numbering reset on page break

Regression from commit d6206295 (Use
constants for ST_LineNumberRestart values, 2014-10-01) where I forgot to
adapt the constructor's initializer list to also use the new constants.

Change-Id: I7113d23cceb3a00f0d466b63c99a18bf3dfd0ee3
Reviewed-on: https://gerrit.libreoffice.org/64489
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

sw/qa/extras/ooxmlimport/ooxmlimport2.cxx

@@ -51,6 +51,16 @@ DECLARE_OOXMLIMPORT_TEST(testTdf109053, "tdf109053.docx")
     CPPUNIT_ASSERT_EQUAL(2, getPages());
 }
 
+DECLARE_OOXMLIMPORT_TEST(testTdf121664, "tdf121664.docx")
+{
+    uno::Reference<text::XLineNumberingProperties> xLineNumbering(mxComponent, uno::UNO_QUERY);
+    CPPUNIT_ASSERT(xLineNumbering.is());
+    // Without the accompanying fix in place, numbering did not restart on the
+    // second page.
+    CPPUNIT_ASSERT(
+        getProperty<bool>(xLineNumbering->getLineNumberingProperties(), "RestartAtEachPage"));
+}
+
 DECLARE_OOXMLIMPORT_TEST(testTdf108849, "tdf108849.docx")
 {
     // sectPr element that is child element of body must be the last child. However, Word accepts it

writerfilter/source/dmapper/PropertyMap.cxx

@@ -396,7 +396,7 @@ SectionPropertyMap::SectionPropertyMap( bool bIsFirstSection )
     , m_nDxtCharSpace( 0 )
     , m_bGridSnapToChars( true )
     , m_nLnnMod( 0 )
-    , m_nLnc( 0 )
+    , m_nLnc(NS_ooxml::LN_Value_ST_LineNumberRestart_newPage)
     , m_ndxaLnn( 0 )
     , m_nLnnMin( 0 )
     , m_bDefaultHeaderLinkToPrevious( true )