Fix parenthesis and simplify

See http://nabble.documentfoundation.org/About-parenthesis-problem-in-testintrosp-cxx-td4030420.html
Thank you Lubos!

Change-Id: If46b3d3aa304f2c16d66813ff337a70b3a520e76

stoc/test/testintrosp.cxx

@@ -179,7 +179,7 @@ OUString AnyToString( const Any& aValue, sal_Bool bIncludeType, const Reference<
     if( bIncludeType )
     {
         Reference< XIdlClass > xIdlClass = TypeToIdlClass( aValType, xMgr );
-        aRetStr = aRetStr + OUString( OUString(" (Typ: ") ) + xIdlClass->getName() + OUString(""));
+        aRetStr += " (Typ: " + xIdlClass->getName() + ")";
     }
     return aRetStr;
 }