Line spacing is not preserved for styles.

Description :
In StyleSheetTable.cxx, while setting the property "ParaInteropGrabBag" throws an exception.
Hence rest of the properties are not set.

Implimentation :
Skip that property so that rest of the properties will not be lost.

Change-Id: Id488de71bc5f893a7401420d9e63e4405b90f760
Reviewed-on: https://gerrit.libreoffice.org/8902Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>

sw/qa/extras/ooxmlexport/ooxmlexport.cxx

@@ -3102,6 +3102,15 @@ DECLARE_OOXMLEXPORT_TEST(testFDO76586, "fdo76586.docx")
     assertXPath(pXmlDoc, "//w:tblGrid/w:gridCol[2]", "w", "7843");
 }
 
+DECLARE_OOXMLEXPORT_TEST(testFDO76587 , "fdo76587.docx")
+{
+    xmlDocPtr pXmlDoc = parseExport("word/styles.xml");
+    if (!pXmlDoc)
+        return;
+    assertXPath(pXmlDoc, "/w:styles/w:style[8]/w:pPr/w:spacing", "line", "240");
+    assertXPath(pXmlDoc, "/w:styles/w:style[8]/w:pPr/w:spacing", "lineRule", "auto");
+}
+
 DECLARE_OOXMLEXPORT_TEST(test76734_2K7, "test76734_2K7.docx")
 {
     xmlDocPtr pXmlDoc = parseExport("word/document.xml");

writerfilter/source/dmapper/StyleSheetTable.cxx

@@ -1113,7 +1113,8 @@ void StyleSheetTable::ApplyStyleSheets( FontTablePtr rFontTable )
                             // Don't add the style name properties
                             bool bIsParaStyleName = aPropValues[nProp].Name == "ParaStyleName";
                             bool bIsCharStyleName = aPropValues[nProp].Name == "CharStyleName";
-                            if ( !bIsParaStyleName && !bIsCharStyleName )
+                            bool bIsParaInteropGrabBag = aPropValues[nProp].Name == "ParaInteropGrabBag";
+                            if ( !bIsParaStyleName && !bIsCharStyleName && !bIsParaInteropGrabBag)
                             {
                                 aSortedPropVals.Insert( aPropValues[nProp] );
                             }