Documentation/CodingStyle: Add an example for braces

Add another example of required braces when using a compound statement in
a loop.

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/process/coding-style.rst b/Documentation/process/coding-style.rst
index a20b44a..d98deb6 100644
--- a/Documentation/process/coding-style.rst
+++ b/Documentation/process/coding-style.rst
@@ -200,6 +200,15 @@
 		otherwise();
 	}
 
+Also, use braces when a loop contains more than a single simple statement:
+
+.. code-block:: c
+
+	while (condition) {
+		if (test)
+			do_something();
+	}
+
 3.1) Spaces
 ***********