Resolves: fdo#76581 copy-and-paste -> slideshow crash in presenter console

crash started after...

commit 0218b0e2
Date:   Mon Jul 15 19:45:44 2013 +0300
    fdo#65457 -  Provide visual clues in presenter view.

Change-Id: I19d84800bd5924f2dcc9e5debcf18ef95577105c

sdext/source/presenter/PresenterController.cxx

@@ -358,7 +358,7 @@ void PresenterController::UpdatePaneTitles (void)
                     sCurrentSlideName = sName;
             }
         }
-        catch (beans::UnknownPropertyException&)
+        catch (const beans::UnknownPropertyException&)
         {
         }
     }
@@ -585,20 +585,24 @@ bool PresenterController::HasTransition (Reference<drawing::XDrawPage>& rxPage)
     if( rxPage.is() )
     {
         Reference<beans::XPropertySet> xSlidePropertySet (rxPage, UNO_QUERY);
+        try
+        {
             xSlidePropertySet->getPropertyValue("TransitionType") >>= aTransitionType;
-        if( aTransitionType > 0 )
+            if (aTransitionType > 0)
             {
                 bTransition = true;
             }
         }
+        catch (const beans::UnknownPropertyException&)
+        {
+        }
+    }
     return bTransition;
 }
 
 bool PresenterController::HasCustomAnimation (Reference<drawing::XDrawPage>& rxPage)
 {
     bool bCustomAnimation = false;
-    presentation::AnimationEffect aEffect = presentation::AnimationEffect_NONE;
-    presentation::AnimationEffect aTextEffect = presentation::AnimationEffect_NONE;
     if( rxPage.is() )
     {
         sal_uInt32 i, nCount = rxPage->getCount();
@@ -606,8 +610,16 @@ bool PresenterController::HasCustomAnimation (Reference<drawing::XDrawPage>& rxP
         {
             Reference<drawing::XShape> xShape(rxPage->getByIndex(i), UNO_QUERY);
             Reference<beans::XPropertySet> xShapePropertySet(xShape, UNO_QUERY);
+            presentation::AnimationEffect aEffect = presentation::AnimationEffect_NONE;
+            presentation::AnimationEffect aTextEffect = presentation::AnimationEffect_NONE;
+            try
+            {
                 xShapePropertySet->getPropertyValue("Effect") >>= aEffect;
                 xShapePropertySet->getPropertyValue("TextEffect") >>= aTextEffect;
+            }
+            catch (const beans::UnknownPropertyException&)
+            {
+            }
             if( aEffect != presentation::AnimationEffect_NONE ||
                 aTextEffect != presentation::AnimationEffect_NONE )
             {