coverity#1158333 Uncaught exception

Change-Id: Idcea256f80b3a09a84e67bdafbcb737983f1ef11

sc/inc/chart2uno.hxx

@@ -264,7 +264,9 @@ public:
 
     // XNumericalDataSequence
     virtual ::com::sun::star::uno::Sequence< double >
-        SAL_CALL getNumericalData(  ) throw (::com::sun::star::uno::RuntimeException);
+        SAL_CALL getNumericalData()
+            throw (::com::sun::star::uno::RuntimeException,
+                   std::exception);
 
     // XTextualDataSequence
     virtual ::com::sun::star::uno::Sequence< OUString >

sc/source/ui/unoobj/chart2uno.cxx

@@ -3023,7 +3023,7 @@ uno::Sequence< uno::Any> SAL_CALL ScChart2DataSequence::getData()
 // XNumericalDataSequence --------------------------------------------------
 
 uno::Sequence< double > SAL_CALL ScChart2DataSequence::getNumericalData()
-            throw ( uno::RuntimeException)
+    throw (uno::RuntimeException, std::exception)
 {
     SolarMutexGuard aGuard;
     if ( !m_pDocument)