coverity#1194939 Uncaught exception

Change-Id: I679b494c7c563a776da7ee891c0f4e92926fcfe4

sd/source/filter/eppt/epptooxml.hxx

@@ -71,7 +71,7 @@ public:
 
     // from FilterBase
     virtual bool importDocument() throw() SAL_OVERRIDE;
-    virtual bool exportDocument() throw() SAL_OVERRIDE;
+    virtual bool exportDocument() throw (std::exception) SAL_OVERRIDE;
 
     // only needed for import, leave them empty, refactor later XmlFilterBase to export and import base?
     virtual sal_Int32 getSchemeClr( sal_Int32 /* nColorSchemeToken */ ) const { return 0; }

sd/source/filter/eppt/pptx-epptooxml.cxx

@@ -329,7 +329,7 @@ bool PowerPointExport::importDocument() throw()
     return false;
 }
 
-bool PowerPointExport::exportDocument() throw()
+bool PowerPointExport::exportDocument() throw (std::exception)
 {
     DrawingML::ResetCounters();
     maShapeMap.clear ();