C#: Dont close the block comment if the user comment contains */ (#1533)

* #1515

dont close the comment`

* add test

Author: yowl

crates/csharp/src/interface.rs

@@ -1021,6 +1021,7 @@ impl InterfaceGenerator<'_> {
                 .trim()
                 .replace("<", "&lt;")
                 .replace(">", "&gt;")
+                .replace("*/", "*") // We can't close the comment, so if the user comment has */ we just remove the /
                 .lines()
                 .map(|line| format!("* {line}"))
                 .collect::<Vec<_>>()

tests/codegen/issue1515-special-in-comment.wit

@@ -0,0 +1,13 @@
+package local:demo;
+
+world w {
+  export i;
+}
+
+/// Test we can handle "comment injection - attempting to close the comment we generate around wit comments
+interface i {
+  /// */
+  record r {
+    x: u32,
+  }
+}