tweaked some Workspace code to avoid a local variable

src/Workspaces/VisualBasic/Portable/Extensions/TypeSyntaxGeneratorVisitor.vb

@@ -129,19 +129,15 @@ Namespace Microsoft.CodeAnalysis.VisualBasic.Extensions
             Dim hasNames = Not names.IsDefault
 
             Return SyntaxFactory.TupleType(SyntaxFactory.SeparatedList(
-                types.Select(Function(t, i)
-                                 Dim element As TupleElementSyntax
-
-                                 If (hasNames AndAlso names(i) IsNot Nothing) Then
-                                     element = SyntaxFactory.NamedTupleElement(SyntaxFactory.IdentifierName(names(i)),
-                                                                               SyntaxFactory.SimpleAsClause(SyntaxFactory.Token(SyntaxKind.AsKeyword), Nothing, t.GenerateTypeSyntax()))
-                                 Else
-
-                                     element = SyntaxFactory.TypedTupleElement(t.GenerateTypeSyntax())
-                                 End If
-
-                                 Return element
-                             End Function)))
+                types.Select(Function(t, i) If(hasNames AndAlso names(i) IsNot Nothing,
+                                                        SyntaxFactory.NamedTupleElement(
+                                                                        SyntaxFactory.IdentifierName(names(i)),
+                                                                        SyntaxFactory.SimpleAsClause(
+                                                                                    SyntaxFactory.Token(SyntaxKind.AsKeyword),
+                                                                                    Nothing,
+                                                                                    t.GenerateTypeSyntax())),
+                                                        DirectCast(SyntaxFactory.TypedTupleElement(
+                                                                        t.GenerateTypeSyntax()), TupleElementSyntax)))))
         End Function
 
         Public Overrides Function VisitNamedType(symbol As INamedTypeSymbol) As TypeSyntax