coverity#1224997 Uncaught exception

and

coverity#1224996 Uncaught exception

Change-Id: I36ea602a93471d826859bef739c4165117cc4cd9

include/oox/ppt/pptimport.hxx

@@ -42,7 +42,7 @@ public:
     virtual ~PowerPointImport();
 
     // from FilterBase
-    virtual bool importDocument() throw() SAL_OVERRIDE;
+    virtual bool importDocument() SAL_OVERRIDE;
     virtual bool exportDocument() throw() SAL_OVERRIDE;
 
     virtual const ::oox::drawingml::Theme* getCurrentTheme() const SAL_OVERRIDE;

oox/source/ppt/pptimport.cxx

@@ -75,7 +75,7 @@ PowerPointImport::~PowerPointImport()
 {
 }
 
-bool PowerPointImport::importDocument() throw()
+bool PowerPointImport::importDocument()
 {
     /*  to activate the PPTX dumper, define the environment variable
         OOO_PPTXDUMPER and insert the full path to the file