crashtesting: failure on exporting tdf95568-1.ots to xlsx

since...

commit c0cc02e2
Date:   Thu Aug 17 21:47:22 2017 +0200

    tdf#50097: DOCX: export form controls as MSO ActiveX controls

Change-Id: I55f1dcbe454e696df71a7656c796e36e91c42762
Reviewed-on: https://gerrit.libreoffice.org/41651Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tamás Zolnai <tamas.zolnai@collabora.com>
Tested-by: Tamás Zolnai <tamas.zolnai@collabora.com>

filter/source/msfilter/eschesdo.cxx

@@ -425,9 +425,13 @@ sal_uInt32 ImplEESdrWriter::ImplWriteShape( ImplEESdrObject& rObj,
             const Reference< XPropertySet > xPropSet(rObj.mXPropSet, UNO_QUERY);
             if(xPropSet.is())
             {
-                text::TextContentAnchorType eAnchorType;
-                xPropSet->getPropertyValue("AnchorType") >>= eAnchorType;
-                bInline = eAnchorType == text::TextContentAnchorType_AS_CHARACTER;
+                const Reference<XPropertySetInfo> xPropInfo = xPropSet->getPropertySetInfo();
+                if (xPropInfo.is() && xPropInfo->hasPropertyByName("AnchorType"))
+                {
+                    text::TextContentAnchorType eAnchorType;
+                    xPropSet->getPropertyValue("AnchorType") >>= eAnchorType;
+                    bInline = eAnchorType == text::TextContentAnchorType_AS_CHARACTER;
+                }
             }
 
             if(bInline)