convert std::map::insert to std::map::emplace

which is considerably less verbose

Change-Id: Ifa373e8eb09e39bd6c8d3578641610a6055a187b
Reviewed-on: https://gerrit.libreoffice.org/40978
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

basic/source/classes/sbxmod.cxx

@@ -267,7 +267,7 @@ DocObjectWrapper::invoke( const OUString& aFunctionName, const Sequence< Any >&
                     if ( pVar )
                     {
                         SbxVariableRef xVar = pVar;
-                        aOutParamMap.insert( OutParamMap::value_type( n - 1, sbxToUnoValue( xVar.get() ) ) );
+                        aOutParamMap.emplace( n - 1, sbxToUnoValue( xVar.get() ) );
                     }
                 }
             }