fix(init): update the C# init sample with the new App API (#1919)

rix0rrr · RomainMuller · commit 02f991de0c3b · 2019-03-01T16:26:08.000+01:00
The C# jsii bindings don't have optional arguments, so every
new optional argument becomes a breaking change.
diff --git a/packages/aws-cdk/lib/init-templates/app/csharp/src/HelloCdk/Program.cs b/packages/aws-cdk/lib/init-templates/app/csharp/src/HelloCdk/Program.cs
@@ -9,7 +9,7 @@ class Program
     {
         static void Main(string[] args)
         {
-            var app = new App();
+            var app = new App(null);
 
             // A CDK app can contain multiple stacks. You can view a list of all the stacks in your
             // app by typing `cdk list`.

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@ class Program`
`9`	`9`	`{`
`10`	`10`	`static void Main(string[] args)`
`11`	`11`	`{`
`12`		`- var app = new App();`
	`12`	`+ var app = new App(null);`
`13`	`13`
`14`	`14`	`// A CDK app can contain multiple stacks. You can view a list of all the stacks in your`
`15`	`15`	// app by typing `cdk list`.