doc-guide: kernel-doc: fix example for inlined comments

Without ending with a ";", kernel-doc doesn't recognize it
as an struct, and it fails to parse the example.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/doc-guide/kernel-doc.rst b/Documentation/doc-guide/kernel-doc.rst
index 9fce378..3c00ce0 100644
--- a/Documentation/doc-guide/kernel-doc.rst
+++ b/Documentation/doc-guide/kernel-doc.rst
@@ -237,7 +237,7 @@
         int baz;
         /** @foobar: Single line description. */
         int foobar;
-  }
+  };
 
 Nested structs/unions
 ~~~~~~~~~~~~~~~~~~~~~