Resolves: tdf#102358 writer cannot save 3d shape inserted from draw

because SwXShape::supportsService always returned true for
com.sun.star.drawing.Shape I surmise that getSupportedServiceNames
should always list com.sun.star.drawing.Shape as a supported service

This went awry with...

commit 2f50ce6c
Author: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Date:   Thu Dec 5 19:17:18 2013 -0200

    fdo#54938: Convert sw to use cppu::supportsService

    Change-Id: Ic27bf31e5eb991ccceb8b97713d1e50a736709c8
Signed-off-by: Stephan Bergmann <sbergman@redhat.com>

Change-Id: I9821a620da8bac3b6b59da976a8c25bb2deafcf1

sw/source/core/unocore/unodraw.cxx

@@ -2207,18 +2207,15 @@ sal_Bool SwXShape::supportsService(const OUString& rServiceName) throw( uno::Run
 uno::Sequence< OUString > SwXShape::getSupportedServiceNames() throw( uno::RuntimeException, std::exception )
 {
     uno::Sequence< OUString > aSeq;
-    if(xShapeAgg.is())
+    if (xShapeAgg.is())
     {
         uno::Reference< lang::XUnoTunnel > xShapeTunnel(xShapeAgg, uno::UNO_QUERY);
         SvxShape* pSvxShape = GetSvxShape();
         if(pSvxShape)
             aSeq = pSvxShape->getSupportedServiceNames();
     }
-    else
-    {
-        aSeq.realloc(1);
-        aSeq.getArray()[0] = "com.sun.star.drawing.Shape";
-    }
+    aSeq.realloc(aSeq.getLength() + 1);
+    aSeq.getArray()[aSeq.getLength() - 1] = "com.sun.star.drawing.Shape";
     return aSeq;
 }